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Graham Nelson 2bb1f6f80c Breaking ground on IE-0001
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Problems With Source Text</title>
<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
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function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
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<h1><a href="../index.html">
<img src="../docs-assets/Inform.png" height=72">
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<!--Weave of 'Problems With Source Text' generated by Inweb-->
<div class="breadcrumbs">
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../inform7n.html">Inform7</a></li><li><a href="index.html">core</a></li><li><a href="index.html#2">Chapter 2: Problem Messages</a></li><li><b>Problems With Source Text</b></li></ul></div>
<p class="purpose">Errors with the source text, either lexical issues or major syntactic ones, are found when Inbuild reads the text in: what this section does is to collect and issue those errors as tidy Inform problem messages.</p>
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b>To trigger all of the problems listed below, test with the <span class="extract"><span class="extract-syntax">:inbuild</span></span>
group.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">SourceProblems::issue_problems_arising</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">SourceProblems::issue_problems_arising</span></span>:<br/>What To Compile - <a href="1-wtc.html#SP4">&#167;4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inbuild_copy</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">copy_error</span><span class="plain-syntax"> *</span><span class="identifier-syntax">CE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">, </span><span class="identifier-syntax">copy_error</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">errors_reading_source_text</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">error_category</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">OPEN_FAILED_CE:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Filenames::get_leafname</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_file</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">Untestable</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I can't open the file '%1' of source text. %P"</span>
<span class="plain-syntax"> </span><span class="string-syntax">"If you are using the 'Source' subfolder of Materials to "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"hold your source text, maybe your 'Contents.txt' has a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"typo in it?"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">EXT_MISWORDED_CE:</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_work</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">found_by</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtMiswordedBeginsHere</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The extension %1, which your source text makes use of, seems to be "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"damaged or incorrect: its identifying opening line is wrong. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Specifically, %2."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">METADATA_MALFORMED_CE:</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">found_by</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_work</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">found_by</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">edition</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">genre</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">genre_name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">Untestable</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The %3 %1, which your source text makes use of, seems to have "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"metadata problems. Specifically: %2."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_work</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">edition</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">edition</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">genre</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">genre_name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">Untestable</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The %3 %1 seems to have metadata problems. Specifically: %2."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">EXT_TITLE_TOO_LONG_CE:</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">max</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAX_EXTENSION_TITLE_LENGTH</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">overage</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_N</span><span class="plain-syntax"> - </span><span class="identifier-syntax">MAX_EXTENSION_TITLE_LENGTH</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_work</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">found_by</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_number</span><span class="plain-syntax">(2, &amp;</span><span class="identifier-syntax">max</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_number</span><span class="plain-syntax">(3, &amp;</span><span class="identifier-syntax">overage</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtTitleTooLong</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The extension %1, which your source text makes use of, has a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"title which is too long, exceeding the maximum allowed "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"(%2 characters) by %3."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">EXT_AUTHOR_TOO_LONG_CE:</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">max</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAX_EXTENSION_AUTHOR_LENGTH</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">overage</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_N</span><span class="plain-syntax"> - </span><span class="identifier-syntax">MAX_EXTENSION_AUTHOR_LENGTH</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_work</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">copy</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">found_by</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_number</span><span class="plain-syntax">(2, &amp;</span><span class="identifier-syntax">max</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_number</span><span class="plain-syntax">(3, &amp;</span><span class="identifier-syntax">overage</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtAuthorTooLong</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The extension %1, which your source text makes use of, has an "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"author name which is too long, exceeding the maximum allowed "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"(%2 characters) by %3."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">LEXER_CE:</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">error_subcategory</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">STRING_TOO_LONG_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_TooMuchQuotedText</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Too much text in quotation marks"</span><span class="plain-syntax">, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_word</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"...\" The maximum length is very high, so this is more "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"likely to be because a close quotation mark was "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"forgotten."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">WORD_TOO_LONG_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_WordTooLong</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Word too long"</span><span class="plain-syntax">, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_word</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"(Individual words of unquoted text can run up to "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"128 letters long, which ought to be plenty. The longest "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"recognised place name in the English speaking world is "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"a hill in New Zealand called Taumatawhakatang-"</span>
<span class="plain-syntax"> </span><span class="string-syntax">"ihangakoauauot-amateaturipukaka-pikimaunga-"</span>
<span class="plain-syntax"> </span><span class="string-syntax">"horonuku-pokaiwhenuak-itanatahu. (You say tomato, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I say taumatawhakatang-...) The longest word found in a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"classic novel is bababadalgharaghtakamminarronnkonnbronntonn"</span>
<span class="plain-syntax"> </span><span class="string-syntax">"erronntuonnthunntrovarrhounawnskawntoohoohoordenenthurnuk, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"creation's thunderclap from Finnegan's Wake. And both of those "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"words are fine.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">I6_TOO_LONG_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">Untestable</span><span class="plain-syntax">), </span><span class="comment-syntax"> well, not at all conveniently</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Verbatim Inform 6 extract too long"</span><span class="plain-syntax">, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_word</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"... -). The maximum length is quite high, so this "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"may be because a '-)' was forgotten. Still, if "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"you do need to paste a huge I6 program in, try "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"using several verbatim inclusions in a row."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">STRING_NEVER_ENDS_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem_S</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnendingQuote</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Some source text ended in the middle of quoted text"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"This probably means that a quotation mark is missing "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"somewhere. If you are using Inform with syntax colouring, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"look for where the quoted-text colour starts. (Sometimes "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this problem turns up because a piece of quoted text contains "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"a text substitution in square brackets which in turn contains "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"another piece of quoted text - this is not allowed, and causes "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"me to lose track.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMMENT_NEVER_ENDS_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem_S</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnendingComment</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Some source text ended in the middle of a comment"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"This probably means that a ']' is missing somewhere. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"(If you are using Inform with syntax colouring, look for "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"where the comment colour starts.) Inform's convention on "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"'nested comments' is that each '[' in a comment must be "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"matched by a corresponding ']': so for instance '[This "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"[even nested like so] acts as a comment]' is a single "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"comment - the first ']' character matches the second '[' "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"and so doesn't end the comment: only the second ']' ends "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the comment."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">I6_NEVER_ENDS_LEXERERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::lexical_problem_S</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnendingI6</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Some source text ended in the middle of a verbatim passage "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"of Inform 6 code"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"This probably means that a '-)' is missing."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"unknown lexer error"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SYNTAX_CE:</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">error_subcategory</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnexpectedSemicolon_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnexpectedSemicolon</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 is followed by a semicolon ';', which only makes "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"sense to me inside a rule or phrase (where there's a heading, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"then a colon, then a list of instructions divided by semicolons). "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Perhaps you want a full stop '.' instead?"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ParaEndsInColon_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ParaEndsInColon</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to end a paragraph with a colon. (Rule declarations "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"can end a sentence with a colon, so maybe there's accidentally a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"skipped line here?)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SentenceEndsInColon_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_SentenceEndsInColon</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to have a colon followed by a full stop, which is "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"punctuation I don't understand."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SentenceEndsInSemicolon_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_SentenceEndsInSemicolon</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to have a semicolon followed by a full stop, which is "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"punctuation I don't understand."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SemicolonAfterColon_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_SemicolonAfterColon</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to have a semicolon following a colon, which is "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"punctuation I don't understand."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SemicolonAfterStop_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_SemicolonAfterStop</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to have a semicolon following a full stop, which is "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"punctuation I don't understand."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingOverLine_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::up_to</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_N</span><span class="plain-syntax">-1)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::from</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_N</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_HeadingOverLine</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to be a heading, but contains a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"line break, which is not allowed: so I am reading it "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"as just %2 and ignoring the continuation %3. The rule "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"is that a heading must be a single line which is the "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"only sentence in its paragraph, so there must be a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"skipped line above and below."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingStopsBeforeEndOfLine_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(2,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">)+1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_N</span><span class="plain-syntax">-1)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_HeadingStopsBeforeEndOfLine</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 seems to be a heading, but does not occupy "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the whole of its line of source text, which continues %2. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The rule is that a heading must occupy a whole single line "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"which is the only sentence in its paragraph, so there "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"must be a skipped line above and below. %P"</span>
<span class="plain-syntax"> </span><span class="string-syntax">"A heading must not contain a colon ':' or any full stop "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"characters '.', even if they occur in an ellipsis '...' or a "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"number '2.3.13'. (I mention that because sometimes this problem "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"arises when a decimal point is misread as a full stop.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtNoBeginsHere_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtNoBeginsHere</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has no 'begins here' sentence"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtNoEndsHere_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtNoEndsHere</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has no 'ends here' sentence"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtSpuriouslyContinues_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtSpuriouslyContinues</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"continues after the 'ends here' sentence"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtMultipleEndsHere_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtMultipleEndsHere</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has more than one 'ends here' sentence"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtMultipleBeginsHere_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtMultipleBeginsHere</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has more than one 'begins here' sentence"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtBeginsAfterEndsHere_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtBeginsAfterEndsHere</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has a further 'begins here' after an 'ends here'"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtEndsWithoutBegins_SYNERROR:</span>
<span class="plain-syntax"> </span><a href="2-si.html#SP11" class="function-link"><span class="function-syntax">StandardProblems::extension_problem</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">BelievedImpossible</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"has an 'ends here' with nothing having begun"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">BadTitleSentence_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::unlocated_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_BadTitleSentence</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The opening bibliographic sentence can only be a title in "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"double-quotes, possibly followed with 'by' and the name of "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the author."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnknownLanguageElement_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnknownLanguageElement</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this heading contains a stipulation about the current "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Inform language definition which I can't understand"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"and should be something like '(for Glulx external files "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"language element only)'."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnknownVirtualMachine_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnknownVirtualMachine</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"this heading contains a stipulation about the Setting "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"for story file format which I can't understand"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"and should be something like '(for Z-machine version 5 "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"or 8 only)' or '(for Glulx only)'."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UseElementWithdrawn_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UseElementWithdrawn</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the ability to activate or deactivate compiler elements "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"in source text has been withdrawn"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"in favour of a new system with Inform kits."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">IncludeExtQuoted_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_IncludeExtQuoted</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the name of an included extension should be given without double "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"quotes in an Include sentence"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"so for instance 'Include Oh My God by Janice Bing.' rather than "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"'Include \"Oh My God\" by Janice Bing.')"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">BogusExtension_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_BogusExtension</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I can't find the extension requested by: %1."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtVersionTooLow_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtVersionTooLow</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I can't find the right version of the extension requested by %1 - "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I can only find %2."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtVersionMalformed_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtVersionMalformed</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"a version number must have the form N/DDDDDD"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"as in the example '2/040426' for release 2 made on 26 April 2004. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"(The DDDDDD part is optional, so '3' is a legal version number too. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"N must be between 1 and 999: in particular, there is no version 0.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtInadequateVM_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtInadequateVM</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"You wrote %1: but my copy of that extension stipulates that it "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"is '%2'. That means it can only be used with certain of "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the possible compiled story file formats, and at the "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"moment, we don't fit the requirements. (You can change "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"the format used for this project on the Settings panel.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ExtMisidentifiedEnds_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP1" class="function-link"><span class="function-syntax">Problems::quote_extension</span></a><span class="plain-syntax">(1, </span><span class="identifier-syntax">Extensions::from_copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_ExtMisidentifiedEnds</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The extension %1, which your source text makes use of, seems to be "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"malformed: its 'begins here' sentence correctly identifies it, but "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"then the 'ends here' sentence calls it '%2' instead. (They need "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"to be a matching pair except that the end does not name the "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"author: for instance, 'Hocus Pocus by Jan Ackerman begins here.' "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"would match with 'Hocus Pocus ends here.')"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingInPlaceOfUnincluded_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP2" class="function-link"><span class="function-syntax">Problems::quote_extension_id</span></a><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_HeadingInPlaceOfUnincluded</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"In the sentence %1, it looks as if you intend to replace a section "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"of source text from the extension '%2', but no extension of that "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"name has been included - so it is not possible to replace any of its "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"headings."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnequalHeadingInPlaceOf_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnequalHeadingInPlaceOf</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"these headings are not of the same level"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"so it is not possible to make the replacement. (Level here means "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"being a Volume, Book, Part, Chapter or Section: for instance, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"only a Chapter heading can be used 'in place of' a Chapter.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingInPlaceOfSubordinate_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP2" class="function-link"><span class="function-syntax">Problems::quote_extension_id</span></a><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node2</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP2" class="function-link"><span class="function-syntax">Problems::quote_extension_id</span></a><span class="plain-syntax">(4, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_work2</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_HeadingInPlaceOfSubordinate</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"In the sentence %1, it looks as if you intend to replace a section "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"of source text from the extension '%2', but that doesn't really make "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"sense because this new piece of source text is part of a superior "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"heading ('%3') which is already being replaced spliced into '%4'."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingInPlaceOfUnknown_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-sq.html#SP2" class="function-link"><span class="function-syntax">Problems::quote_extension_id</span></a><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_work</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(4, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_HeadingInPlaceOfUnknown</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"In the sentence %1, it looks as if you intend to replace a section "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"of source text from the extension '%2', but that extension does "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"not seem to have any heading called '%3'. (The version I loaded "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"was %4.)"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnavailableLOS_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The project says that its syntax is written in a language "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"other than English (specifically, %1), but the language bundle "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"for that language does not provide a file of Preform definitions."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">DialogueOnSectionsOnly_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_DialogueOnSectionsOnly</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"In the heading %1, you've marked for '(dialogue)', but only "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"Sections can be so marked - not Chapters, Books, and so on."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnexpectedDialogue_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnexpectedDialogue</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 appears under a section heading marked as dialogue, "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"so it needs to be either a cue in brackets '(like this.)', or "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"else a line of dialogue 'Speaker: \"Something to say!\"'. It "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"doesn't seem to be either of those."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnquotedDialogue_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_UnquotedDialogue</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 appears to be a line of dialogue, but after the "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"colon ':' there should only be a single double-quoted text."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">EmptyDialogueClause_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_EmptyDialogueClause</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 appears to be a bracketed clause to do with "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"dialogue, but the punctuation looks wrong because it includes "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"an empty part."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">MisbracketedDialogueClause_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">Diagrams::new_UNPARSED_NOUN</span><span class="plain-syntax">(</span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_W</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(),</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_MisbracketedDialogueClause</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The text %1 appears to be a bracketed clause to do with "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"dialogue, but the punctuation looks wrong because it uses "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"brackets '(' and ')' in a way which doesn't match. There "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"should be just one outer pair of brackets, and inside they "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"can only be used to clarify clauses, if necessary."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">MissingSourceFile_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"I can't find the source file holding the content of the heading %1 - "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"it should be '%2' in the 'Source' subdirectory of the materials "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"for this project."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingWithFileNonempty_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">down</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The heading %1 should refer only to the contents of the file "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"'%2' (in the 'Source' subdirectory of the materials for this "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"project) but in fact goes on to contain other material too. "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"That other material (see %3) needs to be put under a new "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"heading of equal or greater priority (or else moved to the file)."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">MisheadedSourceFile_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_stream</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">heading</span><span class="plain-syntax"> *</span><span class="identifier-syntax">h</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Node::get_embodying_heading</span><span class="plain-syntax">(</span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">h</span><span class="plain-syntax">) </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(3, </span><span class="identifier-syntax">h</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">heading_text</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The heading %1 says that its contents are in the file "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"'%2' (in the 'Source' subdirectory of the materials for this "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"project). If so, then that file needs to start with a matching "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"opening line, giving the same heading name '%3'; and it doesn't."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">HeadingTooGreat_SYNERROR:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CE</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">details_node</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The heading %1 is too high a level to appear in this source "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"file. For example, if a source file contains the contents of "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"a Chapter, then it cannot contain a Book heading - "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"a Chapter can be part of a Book, but not vice versa."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"unknown syntax error"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span><span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"an unknown error occurred"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
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