diff --git a/stead/click.lua b/stead/click.lua
index 8e72a51..1f04bef 100644
--- a/stead/click.lua
+++ b/stead/click.lua
@@ -75,15 +75,15 @@ function(f, s, cmd, press, mb, x, y, px, py, ...)
 		if s.click then
 			if click.press then
 				if click.button then
-					r,v = call(s, 'click', press, mb, tonumber(x), tonumber(y), x2, y2, ...);
+					r,v = stead.call(s, 'click', press, mb, tonumber(x), tonumber(y), x2, y2, ...);
 				else
-					r,v = call(s, 'click', press, tonumber(x), tonumber(y), x2, y2, ...);
+					r,v = stead.call(s, 'click', press, tonumber(x), tonumber(y), x2, y2, ...);
 				end
 			else
 				if click.button then
-					r,v = call(s, 'click', mb, tonumber(x), tonumber(y), x2, y2, ...);
+					r,v = stead.call(s, 'click', mb, tonumber(x), tonumber(y), x2, y2, ...);
 				else
-					r,v = call(s, 'click', tonumber(x), tonumber(y), x2, y2, ...);
+					r,v = stead.call(s, 'click', tonumber(x), tonumber(y), x2, y2, ...);
 				end
 			end
 		end
diff --git a/stead/dbg.lua b/stead/dbg.lua
index c5b594d..d20a7c4 100644
--- a/stead/dbg.lua
+++ b/stead/dbg.lua
@@ -31,8 +31,8 @@ function ordered_n(t)
 			return false
 		end
 		if isObject(a.v) and isObject(b.v) then
-			local n = call(a.v, 'nam');
-			local m = call(b.v, 'nam');
+			local n = stead.call(a.v, 'nam');
+			local m = stead.call(b.v, 'nam');
 			if type(n) ~= 'string' and type(m) ~= 'string' then
 				return false
 			end
@@ -104,7 +104,7 @@ dump_obj = function(w)
 			if rc ~='' then rc = rc..'^' end
 			local n = '';
 			if type(o) ~= 'function' and isObject(ref(o)) then
-				n = call(ref(o), 'nam');
+				n = stead.call(ref(o), 'nam');
 				if type(n) ~= 'string' then n = '' else n = ' : '..n; end
 			end
 			rc = stead.cat(rc, stead.par(' ', tostring(i)..' : '..t..n));
@@ -139,13 +139,13 @@ end
 list_objects = function()
 	local i,o
 	local rc = stead.par(' ', 'Room:'..tostring(deref(dbg_here())), 
-			'Nam:'..tostring(call(dbg_here(),'nam')));
+			'Nam:'..tostring(stead.call(dbg_here(),'nam')));
 	for i,o in opairs(objs(dbg_here())) do
 		rc = rc..'^';
 		o = ref(o)
 		rc = stead.cat(rc, stead.par(' ', 'Id:'..tostring(o.id), 
 			'Obj:'..tostring(deref(o)), 
-			'Nam:'..tostring(call(o, 'nam')), 
+			'Nam:'..tostring(stead.call(o, 'nam')), 
 			'Disabled:'..tostring(isDisabled(o))));
 	end
 --	seen('disp')._txt = rc
@@ -159,7 +159,7 @@ list_inv = function()
 		if rc ~='' then rc = rc..'^' end
 		o = ref(o)
 		rc = stead.cat(rc, stead.par(' ', 'Id:'..tostring(o.id), 'Obj:'..tostring(deref(o)), 
-			'Nam:'..tostring(call(o, 'nam')), 
+			'Nam:'..tostring(stead.call(o, 'nam')), 
 			'Disabled:'..tostring(isDisabled(o)), 
 			'Taken:'..tostring(taken(o))));
 	end
@@ -227,7 +227,7 @@ choose_location = dlg {
 		objs(s):zap();
 		for k,v,kk in spairs(_G) do
 			if isRoom(v) and not v.debug then
-				local n = tostring(call(v, 'nam'));
+				local n = tostring(stead.call(v, 'nam'));
 				local o = kk;
 				if type(o) == 'string' then
 					n = n..' : '..o;
@@ -251,7 +251,7 @@ choose_object = dlg {
 		objs(s):zap();
 		for k,v,kk in spairs(_G) do
 			if isObject(v) and not isPhrase(v) and not isRoom(v) and not isPlayer(v) and not v.debug and not have(v) and not isStatus(v) then
-				local n = tostring(call(v, 'nam'));
+				local n = tostring(stead.call(v, 'nam'));
 				local o = kk;
 				if type(o) == 'string' then
 					n = n..' : '..o;
@@ -276,7 +276,7 @@ drop_object = dlg {
 		for k,v in ipairs(inv()) do
 			v = ref(v);
 			if not v.debug then
-				local n = tostring(call(v, 'nam'));
+				local n = tostring(stead.call(v, 'nam'));
 				local o = deref(v);
 				if type(o) == 'string' then
 					n = n..' : '..o;
@@ -292,7 +292,7 @@ drop_object = dlg {
 function dbg_exit()
 	local r
 	if stead.api_version < "1.2.0" then
-		r = call(dbg_here(), 'dsc');
+		r = stead.call(dbg_here(), 'dsc');
 	end
 	game.lifes:cat(debug_tool.lifes);
 	timer:set(debug_tool._timer);
diff --git a/stead/format.lua b/stead/format.lua
index a87aa2a..34c49c0 100644
--- a/stead/format.lua
+++ b/stead/format.lua
@@ -30,16 +30,16 @@ stead.fmt = stead.hook(stead.fmt, function(f, ...)
 		if type(format.filter) == 'function' and stead.state then
 			r = format.filter(r);
 		end
-		if call_bool(format, 'dash') and utf8 then
+		if stead.call_bool(format, 'dash') and utf8 then
 			r = r:gsub('([^-])%-%-([^-])', '%1—%2');
 			r = r:gsub('^%-%-([^-])', '—%1');
 		end
-		if call_bool(format, 'quotes') and utf8 then
+		if stead.call_bool(format, 'quotes') and utf8 then
 			r = r:gsub('_"','«'):gsub('"_',"»");
 			r = r:gsub('"([^"]*)"','«%1»');
 			r = r:gsub(',,','„'):gsub("''",'”');
 		end
-		if call_bool(format, 'para') then
+		if stead.call_bool(format, 'para') then
 			r = r:gsub('\n([^\n])', '<&para;>%1'):gsub('<&para;>[ \t]*'..format.nopara,'\n'):gsub('<&para;>[ \t]*', '\n'..txtnb(format.para_space));
 			r = r:gsub('^[ \t]*', '<&para;>'):gsub('<&para;>[ \t]*'..format.nopara,''):gsub('<&para;>[ \t]*', txtnb(format.para_space));
 		end
diff --git a/stead/goto.lua b/stead/goto.lua
index 5a2d6fd..38018d7 100644
--- a/stead/goto.lua
+++ b/stead/goto.lua
@@ -31,7 +31,7 @@ go = function (self, where, back, noenter, noexit, nodsc)
 
 	if not isVroom(ref(where)) and not stead.in_exit_call and not noexit then
 		stead.in_exit_call = true -- to break recurse
-		v,r = call(ref(self.where), 'exit', ref(where));
+		v,r = stead.call(ref(self.where), 'exit', ref(where));
 		stead.in_exit_call = nil
 		if r == false or (stead.api_version >= "1.3.0" and v == false and r == nil) then
 			return v, ret(r)
@@ -50,7 +50,7 @@ go = function (self, where, back, noenter, noexit, nodsc)
 	end
 
 	if not jump and not noenter then
-		v, r = call(ref(where), 'enter', ref(was));
+		v, r = stead.call(ref(where), 'enter', ref(was));
 		if r == false or (stead.api_version >= "1.3.0" and v == false and r == nil) then
 			self.where = was;
 			return par('^^', res, v), ret(r)
@@ -80,7 +80,7 @@ go = function (self, where, back, noenter, noexit, nodsc)
 		if not noexit then
 			self.where = was
 			stead.in_onexit_call = true
-			v = call(ref(was), 'left', ref(to));
+			v = stead.call(ref(was), 'left', ref(to));
 			stead.in_onexit_call = false
 			res = par('^^',res,v);
 		end
@@ -89,7 +89,7 @@ go = function (self, where, back, noenter, noexit, nodsc)
 
 		if not noenter then
 			stead.in_entered_call = true
-			v = call(ref(to), 'entered', ref(was));
+			v = stead.call(ref(to), 'entered', ref(was));
 			stead.in_entered_call = false
 			res = par('^^',res,v);
 		end
diff --git a/stead/gui.lua b/stead/gui.lua
index 3ebf8f3..fd4b507 100644
--- a/stead/gui.lua
+++ b/stead/gui.lua
@@ -175,10 +175,10 @@ instead.get_ways = get_ways;
 function get_title()
 	local s
 	if stead.api_version >= "1.2.0" then
-		s = call(here(), 'disp');
+		s = stead.call(here(), 'disp');
 	end
 	if type(s) ~= 'string' then
-		s = call(here(), 'nam');
+		s = stead.call(here(), 'nam');
 	end
 	if type(s) == 'string' and s ~= '' then
 		stead.state = false
@@ -234,7 +234,7 @@ function menu(v)
 	if v.inv == nil then
 		v.inv = function(s)
 			local r,v
-			r,v = call(s, 'menu');
+			r,v = stead.call(s, 'menu');
 			if v == nil then v = true end
 			if r == nil then
 				obj_tag(me(), MENU_TAG_ID); -- retag menu field
@@ -245,7 +245,7 @@ function menu(v)
 	if v.act == nil then
 		v.act = function(s)
 			local r,v
-			r,v = call(s, 'menu');
+			r,v = stead.call(s, 'menu');
 			if v == nil then v = true end
 			if r == nil then
 				obj_tag(me(), MENU_TAG_ID); -- retag menu field
@@ -288,7 +288,7 @@ stead.fmt = fmt
 
 game.fading = function(s)
 	local rc = false
-	local p = call(here(), 'pic');
+	local p = stead.call(here(), 'pic');
 	if stead.cmd == 'load' then
 		game.lastpic = p;
 		return true
@@ -313,14 +313,14 @@ function isFading() --to check fading from sdl gui
 	if not isRoom(h) then
 		return false
 	end
-	r, v = call_value(h, 'fading');
-	if r or r == false then
+	r,v = stead.call_value(h, 'fading');
+	if r then
 		if tonumber(r) and v == nil then
 			return true, tonumber(r)
 		end
 		return r, v
 	end
-	g, v = call_value(game, 'fading', h);
+	g,v = stead.call_value(game, 'fading', h);
 	if tonumber(g) and v == nil then
 		return true, tonumber(g)
 	end
diff --git a/stead/hideinv.lua b/stead/hideinv.lua
index 92034e4..01532ed 100644
--- a/stead/hideinv.lua
+++ b/stead/hideinv.lua
@@ -1,12 +1,12 @@
 room = stead.inherit(room, function(v)
 	v.entered = stead.hook(v.entered, function(f, s, ...)
-		if call_bool(s, 'hideinv') then
+		if stead.call_bool(s, 'hideinv') then
 			me():disable_all();
 		end
 		return f(s, ...)
 	end)
 	v.left = stead.hook(v.left, function(f, s, ...)
-		if call_bool(s, 'hideinv') then
+		if stead.call_bool(s, 'hideinv') then
 			me():enable_all();
 		end
 		return f(s, ...)
diff --git a/stead/hotkeys.lua b/stead/hotkeys.lua
index e5c598a..74fd8cf 100644
--- a/stead/hotkeys.lua
+++ b/stead/hotkeys.lua
@@ -10,7 +10,7 @@ game.kbd = stead.hook(game.kbd, function(f, s, down, key, ...)
 			if key == '0' then key = '10' end
 			local p = seen(key);
 			if p then
-				return call(p, 'act');
+				return stead.call(p, 'act');
 			end
 		end
 		return
diff --git a/stead/input.lua b/stead/input.lua
index 08b3ac8..0c1fa22 100644
--- a/stead/input.lua
+++ b/stead/input.lua
@@ -194,9 +194,9 @@ game.action = stead.hook(game.action, function (f, s, cmd, ...)
 	if cmd == 'kbd_enter' then
 		local r,v
 		if here().inp_enter then
-			r,v = call(here(), 'inp_enter');
+			r,v = stead.call(here(), 'inp_enter');
 		elseif s.inp_enter then
-			r,v = call(s, 'inp_enter');
+			r,v = stead.call(s, 'inp_enter');
 		end
 		return r,v -- nothing todo
 	end
diff --git a/stead/kbd.lua b/stead/kbd.lua
index 84fecc4..d4646df 100644
--- a/stead/kbd.lua
+++ b/stead/kbd.lua
@@ -2,10 +2,10 @@ game.action = stead.hook(game.action, function(f, s, cmd, ...)
 	if cmd == 'user_kbd' then
 		local r,v;
 		if here().kbd then
-			r,v = call(here(), 'kbd', 
+			r,v = stead.call(here(), 'kbd', 
 			input.key_event.down, input.key_event.key);
 		elseif s.kbd then
-			r,v = call(s, 'kbd', 
+			r,v = stead.call(s, 'kbd', 
 			input.key_event.down, input.key_event.key);
 		end
 		if r == nil and v == nil and stead.api_version < "1.3.5" then
diff --git a/stead/object.lua b/stead/object.lua
index 36b3380..74cfe71 100644
--- a/stead/object.lua
+++ b/stead/object.lua
@@ -5,13 +5,13 @@ function player_action(self, what, ...)
 		obj = ref(self.where):srch(what);
 	end
 	if not obj then
-		return call(game, 'action', what, ...); --player_do(self, what, ...);
+		return stead.call(game, 'action', what, ...); --player_do(self, what, ...);
 	end
 	v, r = player_take(self, what, ...);
 	if not v then
-		v, r = call(obj, 'act', ...);
+		v, r = stead.call(obj, 'act', ...);
 		if not v and r ~= true then
-			v, r = call(game, 'act', obj, ...);
+			v, r = stead.call(game, 'act', obj, ...);
 		end
 	end
 	return v, r;
@@ -34,10 +34,10 @@ function player_use(self, what, onwhat, ...)
 		if scene_use_mode then
 			return self:action(what, ...); -- call act
 		else
-			v, r = call(ref(obj),'inv', ...); -- call inv
+			v, r = stead.call(ref(obj),'inv', ...); -- call inv
 		end
 		if not v and r ~= true then
-			v, r = call(game, 'inv', obj, ...);
+			v, r = stead.call(game, 'inv', obj, ...);
 		end
 		return v, r;
 	end
@@ -53,13 +53,13 @@ function player_use(self, what, onwhat, ...)
 	obj2 = ref(obj2)
 
 	if not scene_use_mode or isSceneUse(obj) then
-		v, r = call(obj, 'use', obj2, ...);
+		v, r = stead.call(obj, 'use', obj2, ...);
 		if r ~= false then
-			vv = call(obj2, 'used', obj, ...);
+			vv = stead.call(obj2, 'used', obj, ...);
 		end
 	end
 	if not v and not vv then
-		v, r = call(game, 'use', obj, obj2, ...);
+		v, r = stead.call(game, 'use', obj, obj2, ...);
 	end
 	if not v and not vv then
 		return
@@ -90,17 +90,17 @@ function vobj_act(self, ...)
 	if ref(o) and ref(o).where then
 		return goto(ref(o).where);
 	end
-	return call(ref(r),'act', self.nam, ...);
+	return stead.call(ref(r),'act', self.nam, ...);
 end
 
 function vobj_used(self, ...)
 	local o, r = here():srch(self.nam);
-	return call(ref(r),'used', self.nam, ...);
+	return stead.call(ref(r),'used', self.nam, ...);
 end
 
 function vobj_use(self, ...)
 	local o, r = here():srch(self.nam);
-	return call(ref(r),'use', self.nam, ...);
+	return stead.call(ref(r),'use', self.nam, ...);
 end
 
 function vobj(name, dsc, w)
@@ -218,10 +218,10 @@ function list_str(self)
 		if isObject(o) and not isDisabled(o) then
 			vv = nil
 			if game.gui then
-				vv = call(o, 'disp');
+				vv = stead.call(o, 'disp');
 			end
 			if type(vv) ~= 'string' then
-				vv = call(o, 'nam');
+				vv = stead.call(o, 'nam');
 			end
 			vv = xref(vv, o);
 			v = stead.par(stead.delim, v, vv);
@@ -243,10 +243,10 @@ function obj_str(self)
 		if isObject(o) and not isDisabled(o) then
 			vv = nil
 			if game.gui then
-				vv = call(o, 'disp');
+				vv = stead.call(o, 'disp');
 			end
 			if type(vv) ~= 'string' then
-				vv = call(o, 'nam');
+				vv = stead.call(o, 'nam');
 			end
 			vv = xref(vv, o);
 			v = stead.par(stead.delim, v, vv, obj_str(o));
diff --git a/stead/stead.lua b/stead/stead.lua
index cff67d5..079e2b6 100644
--- a/stead/stead.lua
+++ b/stead/stead.lua
@@ -406,7 +406,7 @@ function obj_look(self)
 	if isDisabled(self) then
 		return
 	end
-	local v = call(self,'dsc');
+	local v = stead.call(self,'dsc');
 	if game.hinting then
 		v = self:xref(v);
 	elseif v then
@@ -477,7 +477,7 @@ function obj_str(self)
 	for i,o in opairs(self.obj) do
 		o = ref(o);
 		if o~= nil and not isDisabled(o) then -- isObject is better, but compat layer must be ok
-			vv = call(o, 'nam');
+			vv = stead.call(o, 'nam');
 			vv = xref(vv, o);
 			v = stead.par(',', v, vv, obj_str(o));
 		end
@@ -594,7 +594,7 @@ function list_str(self)
 	for i,o in opairs(self) do
 		o = ref(o);
 		if o~= nil and not isDisabled(o) then
-			vv = call(o, 'nam');
+			vv = stead.call(o, 'nam');
 			vv = xref(vv, o);
 			v = stead.par(',', v, vv);
 		end
@@ -674,7 +674,7 @@ function list_name(self, name, dis)
 	for n,o,ii in opairs(self) do
 		o = ref(o);
 		if isObject(o) then
-			local nam = call(o,'nam') ;
+			local nam = stead.call(o,'nam') ;
 			if ( not isDisabled(o) or dis ) and name == tostring(nam) then
 				return ii;
 			end
@@ -839,6 +839,7 @@ function call(v, n, ...)
 	end
 	error ("Method not string nor function:"..tostring(n), 2);
 end
+stead.call = call
 
 function call_bool(v, n, ...)
 	if type(v) ~= 'table' then
@@ -861,6 +862,7 @@ function call_bool(v, n, ...)
 	end
 	return true; -- not nil
 end
+stead.call_bool = call_bool
 
 function call_value(v, n, ...)
 	if type(v) ~= 'table' then
@@ -879,11 +881,12 @@ function call_value(v, n, ...)
 	stead.callpop();
 	return r,v;
 end
+stead.call_value = call_value
 
 function room_scene(self)
 	local v;
-	v = iface:title(call(self,'nam'));
-	v = stead.par('^^', v, call(self,'dsc')); --obj_look(self));
+	v = iface:title(stead.call(self,'nam'));
+	v = stead.par('^^', v, stead.call(self,'dsc')); --obj_look(self));
 	return stead.cat(v,' ');
 end
 
@@ -960,8 +963,8 @@ end
 
 function dialog_scene(self)
 	local v
-	v = iface:title(call(self,'nam'));
-	v = stead.par('^^', v, call(self, 'dsc')); --obj_look(self));
+	v = iface:title(stead.call(self,'nam'));
+	v = stead.par('^^', v, stead.call(self, 'dsc')); --obj_look(self));
 	return v;
 end
 
@@ -1118,7 +1121,7 @@ function phrase_action(self)
 -- here it is
 	ph:disable(); -- /* disable it!!! */
 
-	local last = call(ph, 'ans');
+	local last = stead.call(ph, 'ans');
 
 	if type(ph.do_act) == 'string' then
 		local f = loadstring(ph.do_act);
@@ -1168,7 +1171,7 @@ function phrase_look(self, n)
 	if isDisabled(self) then
 		return
 	end
-	local v = call(self, 'dsc');
+	local v = stead.call(self, 'dsc');
 	if type(v) ~= 'string' then return; end
 	if game.hinting then
 		return self:xref('{'..v..'}');
@@ -1253,13 +1256,13 @@ function player_action(self, what, ...)
 	local v,r,obj
 	obj = ref(self.where):srch(what);
 	if not obj then
-		return call(ref(game), 'action', what, ...); --player_do(self, what, ...);
+		return stead.call(ref(game), 'action', what, ...); --player_do(self, what, ...);
 	end
 	v, r = player_take(self, what, ...);
 	if not v then
-		v, r = call(ref(obj), 'act', ...);
+		v, r = stead.call(ref(obj), 'act', ...);
 		if not v and r ~= true then
-			v, r = call(ref(game), 'act', obj, ...);
+			v, r = stead.call(ref(game), 'act', obj, ...);
 		end
 	end
 	return v, r;
@@ -1271,7 +1274,7 @@ function player_take(self, what, ...)
 	if not obj then
 		return nil, false;
 	end
-	v,r = call(ref(obj), 'tak', ...);
+	v,r = stead.call(ref(obj), 'tak', ...);
 	if v and r ~= false then
 		take(obj, w);
 	end
@@ -1294,10 +1297,10 @@ function player_use(self, what, onwhat, ...)
 		if scene_use_mode then
 			return self:action(what, ...); -- call act
 		else
-			v, r = call(ref(obj),'inv', ...); -- call inv
+			v, r = stead.call(ref(obj),'inv', ...); -- call inv
 		end
 		if not v and r ~= true then
-			v, r = call(game, 'inv', obj, ...);
+			v, r = stead.call(game, 'inv', obj, ...);
 		end
 		return v, r;
 	end
@@ -1309,13 +1312,13 @@ function player_use(self, what, onwhat, ...)
 		return game.err, false;
 	end
 	if not scene_use_mode or isSceneUse(ref(obj)) then
-		v, r = call(ref(obj), 'use', obj2, ...);
+		v, r = stead.call(ref(obj), 'use', obj2, ...);
 		if r ~= false then
-			vv = call(ref(obj2), 'used', obj, ...);
+			vv = stead.call(ref(obj2), 'used', obj, ...);
 		end
 	end
 	if not v and not vv then
-		v, r = call(game, 'use', obj, obj2, ...);
+		v, r = stead.call(game, 'use', obj, obj2, ...);
 	end
 	return stead.par(' ', v, vv);
 end
@@ -1358,7 +1361,7 @@ function go(self, where, back)
 	local v, r;
 	if not isVroom(ref(where)) and not stead.in_exit_call then
 		stead.in_exit_call = true -- to break recurse
-		v,r = call(ref(self.where), 'exit', where);
+		v,r = stead.call(ref(self.where), 'exit', where);
 		stead.in_exit_call = nil
 		if r == false then
 			return v, ret(r)
@@ -1369,7 +1372,7 @@ function go(self, where, back)
 
 	v = nil;
 	if not back or not isDialog(ref(self.where)) or isDialog(ref(where)) then
-		v, r = call(ref(where), 'enter', self.where);
+		v, r = stead.call(ref(where), 'enter', self.where);
 		if r == false then
 			return v, ret(r)
 		end
@@ -1471,7 +1474,7 @@ function game_life(self)
 		o = ref(o);
 		if not isDisabled(o) then
 			PLAYER_MOVED = false
-			vv,pre = call(o,'life');
+			vv,pre = stead.call(o, 'life');
 			if pre or (PLAYER_MOVED and pre ~= false) then
 				av = stead.par(' ', av, vv);
 			else
@@ -1541,7 +1544,7 @@ function do_ini(self, load)
 		stead.functions[o].key_name = k;
 	end
 	local function call_ini(k, o, ...)
-		v = stead.par('', v, call(o, 'ini', ...));
+		v = stead.par('', v, stead.call(o, 'ini', ...));
 	end
 	math.randomseed(os.time(os.date("*t")))
 	rnd(1); rnd(2); rnd(3); -- Lua bug?
@@ -1569,8 +1572,8 @@ stead.do_ini = do_ini
 function game_ini(self)
 	local v,vv
 	v = stead.do_ini(self);
-	vv = iface:title(call(self,'nam'));
-	vv = stead.par('^^', vv, call(self,'dsc'));
+	vv = iface:title(stead.call(self,'nam'));
+	vv = stead.par('^^', vv, stead.call(self,'dsc'));
 	if type(init) == 'function' then
 		init();
 	end
@@ -1629,14 +1632,14 @@ function isEnableSave()
 	if game.enable_save == nil or get_autosave() then
 		return true
 	end
-	return call_bool(game, 'enable_save');
+	return stead.call_bool(game, 'enable_save');
 end
 
 function isEnableAutosave()
 	if game.enable_autosave == nil then
 		return true
 	end
-	return call_bool(game, 'enable_autosave');
+	return stead.call_bool(game, 'enable_autosave');
 end
 
 function for_each(o, n, f, fv, ...)
@@ -1870,7 +1873,7 @@ function game_save(self, name, file)
 	if not h then
 		return nil, false
 	end
-	local n = call(here(),'nam');
+	local n = stead.call(here(),'nam');
 	if type(n) == 'string' and n ~= "" then
 		h:write("-- $Name: "..n:gsub("\n","\\n").."$\n");
 	end
@@ -1929,21 +1932,21 @@ end
 
 function isForcedsc(v)
 	local r,g
-	r = call_bool(v, 'forcedsc');
+	r = stead.call_bool(v, 'forcedsc');
 	if r then
 		return true
 	end
-	g = call_bool(game, 'forcedsc', v);
+	g = stead.call_bool(game, 'forcedsc', v);
 	return g and r ~= false
 end
 
 function isSceneUse(v)
 	local o,g
-	o = call_bool(v, 'scene_use');
+	o = stead.call_bool(v, 'scene_use');
 	if o then
 		return true
 	end
-	g = call_bool(game, 'scene_use', v);
+	g = stead.call_bool(game, 'scene_use', v);
 	return g and o ~= false
 end
 
@@ -2309,12 +2312,12 @@ function vobj_act(self, ...)
 	if ref(o) and ref(o).where then
 		return goto(ref(o).where);
 	end
-	return call(ref(r),'act', self.key, ...);
+	return stead.call(ref(r),'act', self.key, ...);
 end
 
 function vobj_used(self, ...)
 	local o, r = here():srch(self.nam);
-	return call(ref(r),'used', self.key, ...);
+	return stead.call(ref(r),'used', self.key, ...);
 end
 
 function vobj(key, name, dsc, w)
@@ -2571,15 +2574,15 @@ function movef(obj, there, from)
 end
 
 function get_picture()
-	local s = call(here(),'pic');
+	local s = stead.call(here(),'pic');
 	if not s then
-		s = call(game, 'pic');
+		s = stead.call(game, 'pic');
 	end
 	return s;
 end
 
 function get_title()
-	local s = call(here(),'nam');
+	local s = stead.call(here(),'nam');
 	return s;
 end
 
@@ -2794,7 +2797,7 @@ stead.hook = hook
 
 function nameof(v)
 	if isObject(v) then
-		local r = call(v, 'nam');
+		local r = stead.call(v, 'nam');
 		return r
 	end
 end
diff --git a/stead/timer.lua b/stead/timer.lua
index da53379..0be676e 100644
--- a/stead/timer.lua
+++ b/stead/timer.lua
@@ -2,9 +2,9 @@ game.action = stead.hook(game.action, function(f, s, cmd, ...)
 	if cmd == 'user_timer' then
 		local r,v
 		if here().timer then
-			r,v = call(here(), 'timer');
+			r,v = stead.call(here(), 'timer');
 		elseif s.timer then
-			r,v = call(s, 'timer');
+			r,v = stead.call(s, 'timer');
 		end
 		if r == nil and v == nil and stead.api_version < "1.3.5" then
 			return nil, true
diff --git a/stead/xact.lua b/stead/xact.lua
index 6b20881..ec03aae 100644
--- a/stead/xact.lua
+++ b/stead/xact.lua
@@ -110,7 +110,7 @@ function xdsc(n)
 		error("Wrong parameter to xdsc.", 2);
 	end
 	v.dsc = function(s)
-		return call(here(), s.disp);
+		return stead.call(here(), s.disp);
 	end
 	v.save = function(self, name, h, need)
 		if need then
@@ -123,7 +123,7 @@ end
 
 xroom = stead.inherit(room, function(v)
 	v.look = stead.hook(v.look, function(f, s,...)
-		local xdsc = call(s, 'xdsc');
+		local xdsc = stead.call(s, 'xdsc');
 		return par(' ', xdsc, f(s, ...));
 	end)
 	return v