+upd: Lexilla v5.5.4

lexilla/cppcheck.suppress

@@ -104,6 +104,7 @@ knownConditionTrueFalse:lexilla/lexers/LexFSharp.cxx
 variableScope:lexilla/lexers/LexFSharp.cxx
 constParameterReference:lexilla/lexers/LexGAP.cxx
 constParameterReference:lexilla/lexers/LexGDScript.cxx
+knownConditionTrueFalse:lexilla/lexers/LexGDScript.cxx
 variableScope:lexilla/lexers/LexGui4Cli.cxx
 constParameterReference:lexilla/lexers/LexHaskell.cxx
 constParameterReference:lexilla/lexers/LexHex.cxx
@@ -148,13 +149,13 @@ constParameterReference:lexilla/lexers/LexPascal.cxx
 variableScope:lexilla/lexers/LexPB.cxx
 constParameterReference:lexilla/lexers/LexPerl.cxx
 constVariableReference:lexilla/lexers/LexPerl.cxx
-knownConditionTrueFalse:lexilla/lexers/LexPerl.cxx
 functionStatic:lexilla/lexers/LexPerl.cxx
 constParameterReference:lexilla/lexers/LexPLM.cxx
 constParameterReference:lexilla/lexers/LexPO.cxx
 variableScope:lexilla/lexers/LexPO.cxx
 constVariablePointer:lexilla/lexers/LexPOV.cxx
 constParameterReference:lexilla/lexers/LexPython.cxx
+knownConditionTrueFalse:lexilla/lexers/LexPython.cxx
 shadowVariable:lexilla/lexers/LexPowerPro.cxx
 knownConditionTrueFalse:lexilla/lexers/LexPowerPro.cxx
 variableScope:lexilla/lexers/LexProgress.cxx

lexilla/doc/Lexilla.html

@@ -9,7 +9,7 @@
     <meta name="keywords" content="Scintilla, SciTE, Editing Component, Text Editor" />
     <meta name="Description"
     content="www.scintilla.org is the home of the Scintilla editing component and SciTE text editor application." />
-    <meta name="Date.Modified" content="20260812" />
+    <meta name="Date.Modified" content="20260928" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <style type="text/css">
         .logo {
@@ -62,8 +62,8 @@
           <font color="#FFCC99" size="4"> A library of language lexers for use with Scintilla</font>
         </td>
         <td width="40%" align="right">
-          <font color="#FFCC99" size="3">Release version 5.5.3<br />
-           Site last modified August 12 2026</font>
+          <font color="#FFCC99" size="3">Release version 5.5.4<br />
+           Site last modified September 28 2026</font>
         </td>
         <td width="20%">
           &nbsp;
@@ -78,11 +78,11 @@
       </tr>
     </table>
     <ul id="versionlist">
+      <li>Version 5.5.4 improves JavaScript and YAML</li>
       <li>Version 5.5.3 improves Progress ABL.</li>
       <li>Version 5.5.2 improves JavaScript.</li>
       <li>Version 5.5.1 improves Baan, HTML, and XML.</li>
       <li>Version 5.5.0 improves Fortran and LaTeX.</li>
-      <li>Version 5.4.9 improves Assembler, C++, F#, LaTeX, Pascal, and Ruby.</li>
     </ul>
     <ul id="menu">
       <li id="remote1"><a href="https://www.scintilla.org/SciTEImage.html">Screenshot</a></li>

lexilla/doc/LexillaDownload.html

@@ -26,9 +26,9 @@
     <table bgcolor="#CCCCCC" width="100%" cellspacing="0" cellpadding="8" border="0">
       <tr>
         <td>
-          <font size="4"> <a href="https://www.scintilla.org/lexilla553.zip">
+          <font size="4"> <a href="https://www.scintilla.org/lexilla554.zip">
 	Windows</a>&nbsp;&nbsp;
-	<a href="https://www.scintilla.org/lexilla553.tgz">
+	<a href="https://www.scintilla.org/lexilla554.tgz">
           GTK/Linux</a>&nbsp;&nbsp;
 	</font>
         </td>
@@ -42,16 +42,16 @@ <h2>
       containing very few restrictions.
     </p>
     <h3>
-       Release 5.5.3
+       Release 5.5.4
     </h3>
     <h4>
        Source Code
     </h4>
        The source code package contains all of the source code for Lexilla but no binary
 	executable code and is available in
        <ul>
-       <li><a href="https://www.scintilla.org/lexilla553.zip">zip format</a> (1.5M) commonly used on Windows</li>
-       <li><a href="https://www.scintilla.org/lexilla553.tgz">tgz format</a> (1.1M) commonly used on Linux and compatible operating systems</li>
+       <li><a href="https://www.scintilla.org/lexilla554.zip">zip format</a> (1.5M) commonly used on Windows</li>
+       <li><a href="https://www.scintilla.org/lexilla554.tgz">tgz format</a> (1.1M) commonly used on Linux and compatible operating systems</li>
        </ul>
        Instructions for building on both Windows and Linux are included in the readme file.
     <h4>

lexilla/doc/LexillaHistory.html

@@ -599,6 +599,35 @@ <h2>Contributors</h2>
     </tr>
     </table>
     <h2 id="Releases">Releases</h2>
+    <h3>
+       <a href="https://www.scintilla.org/lexilla555.zip">Release 5.5.5</a>
+    </h3>
+    <ul>
+	<li>
+	Released 28 September 2026.
+	</li>
+	<li>
+	Markdown: Recognize 'front matter' key-value metadata at file start specified in YAML, TOML or JSON.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/59">Issue #59</a>.
+	</li>
+    </ul>
+    <h3>
+       <a href="https://www.scintilla.org/lexilla554.zip">Release 5.5.4</a>
+    </h3>
+    <ul>
+	<li>
+	Released 28 September 2026.
+	</li>
+	<li>
+	JavaScript: Option lexer.cpp.continuation.only.in.strings to choose JavaScript behaviour where
+	line continuation only occurs inside string literals.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/55">Issue #55</a>.
+	</li>
+	<li>
+	YAML: Fix empty lines terminating text blocks.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/326">Issue #326</a>.
+	</li>
+    </ul>
     <h3>
        <a href="https://www.scintilla.org/lexilla553.zip">Release 5.5.3</a>
     </h3>

lexilla/include/LexicalStyles.iface

@@ -1775,7 +1775,9 @@ val SCE_MARKDOWN_LINK=18
 val SCE_MARKDOWN_CODE=19
 val SCE_MARKDOWN_CODE2=20
 val SCE_MARKDOWN_CODEBK=21
-val SCE_MARKDOWN_HDRTEXT=22
+val SCE_MARKDOWN_FRONT_MARK=22
+val SCE_MARKDOWN_FRONT=23
+val SCE_MARKDOWN_FRONT_KEY=24
 # Lexical state for SCLEX_TXT2TAGS
 lex Txt2tags=SCLEX_TXT2TAGS SCE_TXT2TAGS_
 val SCE_TXT2TAGS_DEFAULT=0

lexilla/include/SciLexer.h

@@ -1585,7 +1585,9 @@
 #define SCE_MARKDOWN_CODE 19
 #define SCE_MARKDOWN_CODE2 20
 #define SCE_MARKDOWN_CODEBK 21
-#define SCE_MARKDOWN_HDRTEXT 22
+#define SCE_MARKDOWN_FRONT_MARK 22
+#define SCE_MARKDOWN_FRONT 23
+#define SCE_MARKDOWN_FRONT_KEY 24
 #define SCE_TXT2TAGS_DEFAULT 0
 #define SCE_TXT2TAGS_LINE_BEGIN 1
 #define SCE_TXT2TAGS_STRONG1 2

lexilla/lexers/LexCPP.cxx

@@ -180,14 +180,16 @@ class EscapeSequence {
 		digitsLeft = 0;
 		outerState = state;
 		escapeSetValid = &setNoneNumeric;
+		constexpr int lengthU = 9;
+		constexpr int lengthxu = 5;
 		if (nextChar == 'U') {
-			digitsLeft = 9;
+			digitsLeft = lengthU;
 			escapeSetValid = &setHexDigits;
 		} else if (nextChar == 'u') {
-			digitsLeft = 5;
+			digitsLeft = lengthxu;
 			escapeSetValid = &setHexDigits;
 		} else if (nextChar == 'x') {
-			digitsLeft = 5;
+			digitsLeft = lengthxu;
 			escapeSetValid = &setHexDigits;
 		} else if (setOctDigits.Contains(nextChar)) {
 			digitsLeft = 3;
@@ -236,6 +238,10 @@ constexpr bool IsStreamCommentStyle(int style) noexcept {
 		style == SCE_C_COMMENTDOCKEYWORDERROR;
 }
 
+constexpr bool IsStringStyle(int style) noexcept {
+	return AnyOf(style, SCE_C_STRING, SCE_C_CHARACTER, SCE_C_STRINGRAW);
+}
+
 struct PPDefinition {
 	Sci_Position line;
 	std::string key;
@@ -407,6 +413,7 @@ struct OptionsCPP {
 	bool hashquotedStrings = false;
 	BackQuotedString backQuotedStrings = BackQuotedString::None;
 	bool escapeSequence = false;
+	bool continuationOnlyStrings = false;
 	bool fold = false;
 	bool foldSyntaxBased = true;
 	bool foldComment = false;
@@ -471,6 +478,9 @@ struct OptionSetCPP : public OptionSet<OptionsCPP> {
 		DefineProperty("lexer.cpp.escape.sequence", &OptionsCPP::escapeSequence,
 			"Set to 1 to enable highlighting of escape sequences in strings");
 
+		DefineProperty("lexer.cpp.continuation.only.in.strings", &OptionsCPP::continuationOnlyStrings,
+			"Set to 1 to only handle line continuation inside string literals");
+
 		DefineProperty("fold", &OptionsCPP::fold);
 
 		DefineProperty("fold.cpp.syntax.based", &OptionsCPP::foldSyntaxBased,
@@ -688,7 +698,7 @@ class LexerCPP : public ILexer5 {
 		const int firstSubStyle = subStyles.FirstAllocated();
 		if (firstSubStyle >= 0) {
 			const int lastSubStyle = subStyles.LastAllocated();
-			if (((style >= firstSubStyle) && (style <= (lastSubStyle))) ||
+			if (((style >= firstSubStyle) && (style <= lastSubStyle)) ||
 				((style >= firstSubStyle + inactiveFlag) && (style <= (lastSubStyle + inactiveFlag)))) {
 				int styleActive = style;
 				if (style > lastSubStyle) {
@@ -855,14 +865,17 @@ void SCI_METHOD LexerCPP::Lex(Sci_PositionU startPos, Sci_Position length, int i
 		}
 	}
 
-	if ((MaskActive(initStyle) == SCE_C_PREPROCESSOR) ||
-      (MaskActive(initStyle) == SCE_C_COMMENTLINE) ||
-      (MaskActive(initStyle) == SCE_C_COMMENTLINEDOC)) {
+	if (AnyOf(MaskActive(initStyle), SCE_C_PREPROCESSOR, SCE_C_COMMENTLINE, SCE_C_COMMENTLINEDOC)) {
 		// Set continuationLine if last character of previous line is '\'
 		if (lineCurrent > 0) {
-			const Sci_Position endLinePrevious = styler.LineEnd(lineCurrent - 1);
-			if (endLinePrevious > 0) {
-				continuationLine = styler.SafeGetCharAt(endLinePrevious-1) == '\\';
+			const Sci_Position lastOfLinePrevious = styler.LineEnd(lineCurrent - 1) - 1;
+			if (lastOfLinePrevious >= 0) {
+				if (styler.SafeGetCharAt(lastOfLinePrevious) == '\\') {
+					if (!options.continuationOnlyStrings ||
+						IsStringStyle(styler.StyleAt(lastOfLinePrevious))) {
+						continuationLine = true;
+					}
+				}
 			}
 		}
 	}
@@ -959,13 +972,16 @@ void SCI_METHOD LexerCPP::Lex(Sci_PositionU startPos, Sci_Position length, int i
 		}
 
 		// Handle line continuation generically.
-		if (sc.ch == '\\') {
-			if ((sc.currentPos+1) >= lineEndNext) {
+		if ((sc.ch == '\\') && ((sc.currentPos+1) >= lineEndNext)) {
+			if (!options.continuationOnlyStrings || IsStringStyle(sc.state)) {
+				// Handle line continuation when option disabled or inside string literals
+				// For C++, all \ at line end are continuations but,
+				// for JavaScript, \ is only a continuation inside string literals.
 				lineCurrent++;
 				lineEndNext = styler.LineEnd(lineCurrent);
 				vlls.Add(lineCurrent, preproc);
 				if (!rawStringTerminator.empty()) {
-					rawSTNew.Set(lineCurrent-1, rawStringTerminator);
+					rawSTNew.Set(lineCurrent - 1, rawStringTerminator);
 				}
 				sc.Forward();
 				if (sc.ch == '\r' && sc.chNext == '\n') {
@@ -1294,6 +1310,9 @@ void SCI_METHOD LexerCPP::Lex(Sci_PositionU startPos, Sci_Position length, int i
 					sc.SetState(styleBeforeTaskMarker|activitySet);
 					styleBeforeTaskMarker = SCE_C_DEFAULT;
 				}
+				break;
+			default:
+				break;
 		}
 
 		if (sc.atLineEnd && !atLineEndBeforeSwitch) {
@@ -1629,7 +1648,7 @@ void SCI_METHOD LexerCPP::Fold(Sci_PositionU startPos, Sci_Position length, int
 			lineStartNext = styler.LineStart(lineCurrent+1);
 			levelCurrent = levelNext;
 			levelMinCurrent = levelCurrent;
-			if (atEOL && (i == static_cast<Sci_PositionU>(styler.Length()-1))) {
+			if (atEOL && ((i+1) == static_cast<Sci_PositionU>(styler.Length()))) {
 				// There is an empty line at end of file so give it same level and empty
 				styler.SetLevel(lineCurrent, FoldLevelForCurrent(levelCurrent) | SC_FOLDLEVELWHITEFLAG);
 			}

lexilla/lexers/LexHTML.cxx

@@ -746,10 +746,9 @@ Sci_Position FindPhpStringDelimiter(std::string &phpStringDelimiter, Sci_Positio
 				isQuoted = false;
 				j++;
 				break;
-			} else {
-				phpStringDelimiter.clear();
-				return beginning;
 			}
+			phpStringDelimiter.clear();
+			return beginning;
 		}
 		phpStringDelimiter.push_back(styler[j]);
 	}
@@ -1083,8 +1082,7 @@ class LexerHTML : public DefaultLexer {
 		osHTML(isPHPScript_),
 		nonFoldingTags(std::begin(tagsThatDoNotFold), std::end(tagsThatDoNotFold)) {
 	}
-	~LexerHTML() override {
-	}
+	~LexerHTML() override = default;
 	void SCI_METHOD Release() override {
 		delete this;
 	}
@@ -1787,7 +1785,7 @@ void SCI_METHOD LexerHTML::Lex(Sci_PositionU startPos, Sci_Position length, int
 
 		// handle the end of a pre-processor = Non-HTML
 		else if ((!isMako && !isDjango && ((inScriptType == eNonHtmlPreProc) || (inScriptType == eNonHtmlScriptPreProc)) &&
-				  (((scriptLanguage != eScriptNone) && stateAllowsTermination(state))) &&
+				  ((scriptLanguage != eScriptNone) && stateAllowsTermination(state)) &&
 				  ((chNext == '>') && isPreProcessorEndTag(state, ch))) ||
 		         ((scriptLanguage == eScriptSGML) && (ch == '>') && !AnyOf(state, SCE_H_SGML_COMMENT, SCE_H_SGML_DOUBLESTRING, SCE_H_SGML_SIMPLESTRING))) {
 			if (state == SCE_H_ASPAT) {