JKQTMathtext: added several new symbols that were missing so far

lib/jkqtmathtext/nodes/jkqtmathtextsymbolnode.cpp

@@ -321,6 +321,24 @@ bool JKQTMathTextSymbolNode::isSubSuperscriptBelowAboveSymbol(const QString &sym
     return false;
 }
 
+bool JKQTMathTextSymbolNode::isExtendedWidthSymbol(const QString &symbolName)
+{
+    fillSymbolTables();
+    if (symbols.contains(symbolName)) {
+        return has(symbols[symbolName].globalFlags, ExtendWidthInMathmode) ||  has(symbols[symbolName].globalFlags, SmallExtendWidthInMathmode);
+    }
+    return false;
+}
+
+int JKQTMathTextSymbolNode::getSymbolLength(const QString &symbolName)
+{
+    fillSymbolTables();
+    if (symbols.contains(symbolName)) {
+        return symbols[symbolName].props.value(MTFEStandard, symbols[symbolName].props.value(MTFEUnicode, SymbolProps())).symbol.size();
+    }
+    return 0;
+}
+
 
 
 JKQTMathTextSymbolNode::SymbolProps::SymbolProps():
@@ -486,7 +504,7 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
     symbols["o"]=SimpleTextSymbol(QChar(0xF8)).addHtml("ø");
     symbols["O"]=SimpleTextSymbol(QChar(0xD8)).addHtml("Ø");
     { auto s=UprightSymbolUnicode(QChar(0x212B)).addUprightStd(QChar(0xC5));
-      symbols["Angstrom"]=s; symbols["Angstroem"]=s; }
+      symbols["Angstrom"]=s; symbols["angstrom"]=s; }
     { auto s=UnicodeSymbol(QChar(0x2136)).addHtml("ℶ");
       symbols["Beth"]=s; symbols["Bet"]=s; symbols["beth"]=s; symbols["bet"]=s; }
     symbols["Box"]=UprightSymbolUnicode(QChar(0x25A1));
@@ -516,7 +534,11 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
         symbols["bullet"]=s; symbols["textbullet"]=s; }
     symbols["cdots"]=UnicodeSymbol(QChar(0x22EF)).addHtml("···").addStd(QString(3, QChar(0xB7)));
     { auto s=UnicodeSymbol(QChar(0x2103)).addUprightStd("°C").addUprightHtml("°C");
-        symbols["celsius"]=s; symbols["degC"]=s; }
+        symbols["celsius"]=s; symbols["degC"]=s; symbols["degreeCelsius"]=s; }
+    symbols["ell"]=UprightSymbolUnicode(QChar(0x2113), "ℓ");
+    symbols["wp"]=UprightSymbolUnicode(QChar(0x2118), "℘");
+    symbols["mho"]=UprightSymbolUnicode(QChar(0x2127), "℧");
+    symbols["lozenge"]=UprightSymbolUnicode(QChar(0x25CA), "◊");
     symbols["cent"]=SimpleTextSymbol(QChar(0xA2), "¢");
     symbols["checkmark"]=UprightSymbolStd(QChar(0x2713)).addUprightHtml("✓");
     symbols["circ"]=UprightSymbolStd(QChar(0x2218)).addUprightHtml("∘").addStd("o", ItalicOff,0.7, -0.25);
@@ -535,6 +557,7 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
     { auto s=SimpleTextSymbol(QChar(0x24), "$");
         symbols["dollar"]=s; symbols["$"]=s; }
     symbols["dprime"]=UnicodeSymbol(QChar(0x2033)).addHtml("″").addStd("''");
+    symbols["complement"] = SymbolFullProps(SymbolProps("C", Upright|BoldOff), "C", Upright|BoldOff).addUnicode(QChar(0x2201), Upright|BoldOff);
     symbols["ee"] = SymbolFullProps(SymbolProps("e", Upright|BoldOff), "e", Upright|BoldOff);
     { auto s=UnicodeSymbol(QChar(0x2026)).addHtml("…").addWinSymbol(QChar(0xBC)).addStd("...");
         symbols["ellipsis"]=s; symbols["dots"]=s; symbols["ldots"]=s; }
@@ -574,6 +597,8 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
     symbols["pound"]=SimpleTextSymbol(QChar(0xA3), "£");
     symbols["pound"]=UnicodeSymbol(QChar(0x00A3));
     symbols["prime"]=UnicodeSymbol(QChar(0x2032)).addHtml("′").addStd("'");
+    symbols["arcminute"]=UnicodeSymbol(QChar(0x2032)).addHtml("′").addStd("'");
+    symbols["arcsecond"]=UnicodeSymbol(QChar(0x2033)).addHtml("&dprime;").addStd("'");
     symbols["rangle"]=UprightSymbolUnicode(QChar(0x232A)).addWinSymbol(QChar(0xF1));
     symbols["rceil"]=UprightSymbolUnicode(QChar(0x2309)).addHtml("⌉").addWinSymbol(QChar(0xF9));
     { auto s=SimpleTextSymbol(QChar(0xAE), "®");
@@ -618,45 +643,45 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
      * STANDARD MathOperator Strings
      **************************************************************************************/
     symbols["Pr"] = MathOperatorText("Pr");
-    symbols["acos"] = MathOperatorText("acos").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["arccos"] = MathOperatorText("arccos").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["arcsin"] = MathOperatorText("arcsin").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["arctan"] = MathOperatorText("arctan").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["acos"] = MathOperatorText("acos");
+    symbols["arccos"] = MathOperatorText("arccos");
+    symbols["arcsin"] = MathOperatorText("arcsin");
+    symbols["arctan"] = MathOperatorText("arctan");
     symbols["arg"] = MathOperatorText("arg").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
     symbols["argmax"] = MathOperatorText("arg max", "arg max").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
     symbols["argmin"] = MathOperatorText("arg min", "arg min").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["asin"] = MathOperatorText("asin").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["atan"] = MathOperatorText("atan").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["cos"] = MathOperatorText("cos").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["cosh"] = MathOperatorText("cosh").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["cot"] = MathOperatorText("cot").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["coth"] = MathOperatorText("coth").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["coth"] = MathOperatorText("coth").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["deg"] = MathOperatorText("deg").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["det"] = MathOperatorText("det").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["dim"] = MathOperatorText("dim").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["exp"] = MathOperatorText("exp").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["gcd"] = MathOperatorText("gcd").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["hom"] = MathOperatorText("hom").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["ker"] = MathOperatorText("ker").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["lb"] = MathOperatorText("lb").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["ld"] = MathOperatorText("ld").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["asin"] = MathOperatorText("asin");
+    symbols["atan"] = MathOperatorText("atan");
+    symbols["cos"] = MathOperatorText("cos");
+    symbols["cosh"] = MathOperatorText("cosh");
+    symbols["cot"] = MathOperatorText("cot");
+    symbols["coth"] = MathOperatorText("coth");
+    symbols["coth"] = MathOperatorText("coth");
+    symbols["deg"] = MathOperatorText("deg");
+    symbols["det"] = MathOperatorText("det");
+    symbols["dim"] = MathOperatorText("dim");
+    symbols["exp"] = MathOperatorText("exp");
+    symbols["gcd"] = MathOperatorText("gcd");
+    symbols["hom"] = MathOperatorText("hom");
+    symbols["ker"] = MathOperatorText("ker");
+    symbols["lb"] = MathOperatorText("lb");
+    symbols["ld"] = MathOperatorText("ld");
     symbols["lim"] = MathOperatorText("lim").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
     symbols["liminf"] = MathOperatorText("lim inf", "lim inf").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
     symbols["limsup"] = MathOperatorText("lim sup", "lim sup").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["ln"] = MathOperatorText("ln").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["log"] = MathOperatorText("log").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["ln"] = MathOperatorText("ln");
+    symbols["log"] = MathOperatorText("log");
     symbols["max"] = MathOperatorText("max").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["median"] = MathOperatorText("median").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["median"] = MathOperatorText("median");
     symbols["min"] = MathOperatorText("min").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["mod"] = MathOperatorText("mod").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["sec"] = MathOperatorText("sec").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["sgn"] = MathOperatorText("sgn").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["sign"] = MathOperatorText("sign").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["sin"] = MathOperatorText("sin").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["sinh"] = MathOperatorText("sinh").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["tan"] = MathOperatorText("tan").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["tanh"] = MathOperatorText("tanh").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["mod"] = MathOperatorText("mod");
+    symbols["sec"] = MathOperatorText("sec");
+    symbols["sgn"] = MathOperatorText("sgn");
+    symbols["sign"] = MathOperatorText("sign");
+    symbols["sin"] = MathOperatorText("sin");
+    symbols["sinh"] = MathOperatorText("sinh");
+    symbols["tan"] = MathOperatorText("tan");
+    symbols["tanh"] = MathOperatorText("tanh");
 
     /**************************************************************************************
      * STANDARD MathOperator Symbols
@@ -683,10 +708,16 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
     symbols["bbR"]=MathOperatorSymbolUnicode(QChar(0x211D));
     symbols["bbZ"]=MathOperatorSymbolUnicode(QChar(0x2124));
     symbols["because"]=MathOperatorSymbolUnicode(QChar(0x2235)).addMathOperatorHtml("∵");
-    symbols["bigcap"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C2)).addMathOperatorHtml("∫").addMathOperatorWinSymbol(QChar(0xC7), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["bigcup"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C3)).addMathOperatorHtml("∫").addMathOperatorWinSymbol(QChar(0xC8), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["bighat"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C0)).addMathOperatorHtml("∫").addMathOperatorWinSymbol(QChar(0xD9), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
-    symbols["bigvee"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C1)).addMathOperatorHtml("∫").addMathOperatorWinSymbol(QChar(0xDA), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigcap"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C2)).addMathOperatorHtml("⋂").addMathOperatorWinSymbol(QChar(0xC7), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigcup"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C3)).addMathOperatorHtml("⋃").addMathOperatorWinSymbol(QChar(0xC8), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    { auto s=NarrowMathOperatorSymbolUnicode(QChar(0x22C0)).addMathOperatorHtml("⋀").addMathOperatorWinSymbol(QChar(0xD9), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+        symbols["bigwedge"]=s; symbols["bighat"]=s; }
+    symbols["bigvee"]=NarrowMathOperatorSymbolUnicode(QChar(0x22C1)).addMathOperatorHtml("⋁").addMathOperatorWinSymbol(QChar(0xDA), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigotimes"]=NarrowMathOperatorSymbolUnicode(QChar(0x2A02)).addMathOperatorHtml("⨂").addMathOperatorWinSymbol(QChar(0xC4), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigoplus"]=NarrowMathOperatorSymbolUnicode(QChar(0x2A01)).addMathOperatorHtml("⨁").addMathOperatorWinSymbol(QChar(0xC5), 1.8).addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigodot"]=NarrowMathOperatorSymbolUnicode(QChar(0x2A00)).addMathOperatorHtml("⨀").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["biguplus"]=NarrowMathOperatorSymbolUnicode(QChar(0x2A04)).addMathOperatorHtml("⨄").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
+    symbols["bigsqcup"]=NarrowMathOperatorSymbolUnicode(QChar(0x2A06)).addMathOperatorHtml("⨆").addGlobalFlags(SubSuperscriptBelowAboveSymbol);
     { auto s=MathOperatorSymbolUnicode(QChar(0x22A5)).addMathOperatorHtml("⊥");
         symbols["bot"]=s; symbols["perp"]=s; }
     { auto s=MathOperatorSymbolUnicode(QChar(0x2229)).addMathOperatorHtml("∩").addMathOperatorWinSymbol(QChar(0xC7));
@@ -792,6 +823,12 @@ void JKQTMathTextSymbolNode::fillSymbolTables()
     symbols["vartriangleleft"]=MathOperatorSymbolUnicode(QChar(0x22B2)).addMathOperatorHtml("⊲");
     symbols["vdots"]=MathOperatorSymbolUnicode(QChar(0x22EE)).addMathOperatorHtml("⋮");
     symbols["vee"]=MathOperatorSymbolUnicode(QChar(0x2228)).addMathOperatorHtml("∨").addMathOperatorWinSymbol(QChar(0xDA));
+    symbols["vdash"]=MathOperatorSymbolUnicode(QChar(0x22A2)).addMathOperatorHtml("⊢");
+    symbols["dashv"]=MathOperatorSymbolUnicode(QChar(0x22A3)).addMathOperatorHtml("⊣");
+    symbols["vDash"]=MathOperatorSymbolUnicode(QChar(0x22A8)).addMathOperatorHtml("⊨");
+    symbols["nvdash"]=MathOperatorSymbolUnicode(QChar(0x22AC)).addMathOperatorHtml("⊬");
+    symbols["Vdash"]=MathOperatorSymbolUnicode(QChar(0x22A9)).addMathOperatorHtml("⊩");
+    symbols["models"]=MathOperatorSymbolUnicode(QChar(0x22A7)).addMathOperatorHtml("⊧");
     symbols["wedge"]=MathOperatorSymbolUnicode(QChar(0x2227)).addMathOperatorHtml("∧").addMathOperatorWinSymbol(QChar(0xD9));
 
 

lib/jkqtmathtext/nodes/jkqtmathtextsymbolnode.h

@@ -85,8 +85,12 @@ class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextSymbolNode: public JKQTMathTextNode {
         static bool hasSymbol(const QString& symbolName);
         /** \brief return a list of all defined symbols */
         static QStringList getSymbols();
-        /** \brief checks whether the given symbol name can be prepresented by this type of node */
+        /** \brief checks whether the given symbol name codes for an instruction that has SymbolFullProps::SubSuperscriptBelowAboveSymbol , i.e. JKQTMathTextNode::isSubSuperscriptAboveBelowNode() \c ==true */
         static bool isSubSuperscriptBelowAboveSymbol(const QString& symbolName);
+        /** \brief checks whether the given symbol has global flags SymbolFullProps::ExtendWidthInMathmode or SymbolFullProps::SmallExtendWidthInMathmode defined */
+        static bool isExtendedWidthSymbol(const QString& symbolName);
+        /** \brief returns the length of the symbol string for the given symbol */
+        static int getSymbolLength(const QString& symbolName);
     protected:
         /** \copydoc JKQTMathTextNode::getSizeInternal() */
         virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;

tools/jkqtmathtext_render/jkqtmathtext_render.cpp

@@ -126,27 +126,37 @@ int main(int argc, char* argv[])
         QFile fileListF(outputDir.absoluteFilePath(listsymbols));
         if (fileListF.open(QFile::WriteOnly|QFile::Text)) {
             QTextStream fileList(&fileListF);
-            QStringList symbols=JKQTMathTextSymbolNode::getSymbols();
-            std::sort(symbols.begin(), symbols.end(), [](const QString& a, const QString& b) { const QString al=a.toLower(); const QString bl=b.toLower(); if (al==bl) { return a<b; } else return al<bl; });
+            QStringList symbolsAll=JKQTMathTextSymbolNode::getSymbols();
+            QSet<QString> symbolsRemaining(symbolsAll.begin(), symbolsAll.end());
+            std::sort(symbolsAll.begin(), symbolsAll.end(), [](const QString& a, const QString& b) { const QString al=a.toLower(); const QString bl=b.toLower(); if (al==bl) { return a<b; } else return al<bl; });
             static QStringList greekLetterNames=QStringList()<<"alpha"<<"beta"<<"gamma"<<"delta"<<"epsilon"<<"zeta"<<"eta"<<"theta"<<"iota"<<"kappa"<<"lambda"<<"mu"<<"nu"<<"xi"<<"pi"<<"rho"<<"sigma"<<"tau"<<"upsilon"<<"phi"<<"chi"<<"psi"<<"omega";
             static QStringList arrowNames=QStringList()<<"arrow"<<"harpoon"<<"mapsto";
             int i=1;
             fileList<<"/*!\n"
                       "   \\defgroup jkqtmathtext_supportedlatexsymbols Supported LaTeX-Symbols\n"
-                      "   \\ingroup jkqtmathtext_general\n\n";
+                      "   \\ingroup jkqtmathtext_general\n\n\\tableofcontents\n\n";
+            fileList<<"   \\section jkqtmathtext_supportedlatexsymbols_greek Greek Letters\n";
             fileList<<"   The following table lists all greek letters and their variants available in JKQTMathParser. They are defined in the node-class JKQTMathTextSymbolNode:\n";
             fileList<<"   <table>\n";
             fileList<<"     <tr>\n";
             for (const QString& gletter: greekLetterNames) {
                 QString code="";
-                for (const QString& symbol: symbols) {
+                for (const QString& symbol: symbolsAll) {
                     if (symbol.size()>0 && (symbol.toLower()==gletter || symbol.toLower()=="var"+gletter) && symbol[0].isLetter()) {
                         code+="\\"+symbol+"\\;";
+                        symbolsRemaining.remove(symbol);
                     }
                 }
-                for (const QString& symbol: symbols) {
+                for (const QString& symbol: symbolsAll) {
                     if (symbol.size()>0 && (symbol.toLower()=="up"+gletter || symbol.toLower()=="upvar"+gletter) && symbol[0].isLetter()) {
                         code+="\\"+symbol+"\\;";
+                        symbolsRemaining.remove(symbol);
+                    }
+                }
+                for (const QString& symbol: symbolsAll) {
+                    if (symbol.size()>0 && (symbol.toLower()=="text"+gletter || symbol.toLower()=="textvar"+gletter) && symbol[0].isLetter()) {
+                        code+="\\"+symbol+"\\;";
+                        symbolsRemaining.remove(symbol);
                     }
                 }
                 QString symbol_lower;
@@ -161,22 +171,30 @@ int main(int argc, char* argv[])
                 code=code.replace("\\;", " ");
                 code=code.replace("\\", "\\\\");
                 fileList<<"       <td><code>"<<code<<"</code>:\n       <td> \\image html jkqtmathtext/symbols/"<<outputFilename.last()<<"\n";
-                if (i%2==0) {
+                //if (i%2==0) {
                     fileList<<"     </tr>\n     <tr>\n";
-                }
+                //}
                 i++;
             }
             fileList<<"     </tr>";
             fileList<<"   </table>\n\n\n";
 
 
+            fileList<<"   \\section jkqtmathtext_supportedlatexsymbols_arrows Arrows\n";
             fileList<<"   The following table lists all arrow-typed symbols available in JKQTMathParser. They are defined in the node-class JKQTMathTextSymbolNode:\n";
             fileList<<"   <table>\n";
             fileList<<"     <tr>\n";
+            i=1;
+            std::sort(symbolsAll.begin(), symbolsAll.end(), [](const QString& a, const QString& b) {  if (a.contains("harpoon") && !b.contains("harpoon")) return false;
+                                                                                                else if (a.isLower() && b.isUpper()) return true;
+                                                                                                else if (a.isUpper() && b.isLower()) return false;
+                                                                                                else return a<b;
+                                                                                             });
             for (const QString& arrow: arrowNames) {
                 QString code="";
-                for (const QString& symbol: symbols) {
+                for (const QString& symbol: symbolsAll) {
                     if (symbol.size()>0 && symbol.toLower().contains(arrow) && symbol[0].isLetter()) {
+                        symbolsRemaining.remove(symbol);
                         QString symbol_lower;
                         for (const QChar& ch: symbol) {
                             if (ch.isUpper()) symbol_lower+=QString(2, ch).toLower();
@@ -196,24 +214,85 @@ int main(int argc, char* argv[])
             fileList<<"     </tr>";
             fileList<<"   </table>\n\n\n";
 
+            std::sort(symbolsAll.begin(), symbolsAll.end(), [](const QString& a, const QString& b) { const QString al=a.toLower(); const QString bl=b.toLower(); if (al==bl) { return a<b; } else return al<bl; });
+            fileList<<"   \\section jkqtmathtext_supportedlatexsymbols_bigmathop Big Math Operators\n";
+            fileList<<"   The following table lists all math-operator symbols like \\c \\\\sum,\\\\int,\\\\lim... that allow to over/underset sub-/superscript using \\c \\\\limits (and \\c \\\\nolimits ) available in JKQTMathParser. They are defined in the node-class JKQTMathTextSymbolNode:\n";
+            fileList<<"   <table>\n";
+            fileList<<"     <tr>\n";
+            i=1;
+            {
+                QString code="";
+                for (const QString& symbol: symbolsAll) {
+                    if (symbol.size()>0 && JKQTMathTextSymbolNode::isSubSuperscriptBelowAboveSymbol(symbol) && symbol[0].isLetter()) {
+                        symbolsRemaining.remove(symbol);
+                        QString symbol_lower;
+                        for (const QChar& ch: symbol) {
+                            if (ch.isUpper()) symbol_lower+=QString(2, ch).toLower();
+                            else symbol_lower+=ch;
+                        }
+                        latex.append("$\\"+symbol+"\\limits_{x=0}^\\infty$\\vphantom{Iq}");
+                        outputFilename.append("jkqtmathtext_symbols_"+symbol_lower+".png");
+                        cmdoptions.append(QMap<QString,QString>());
+                        fileList<<"       <td><code>\\\\"<<symbol<<"</code>:\n       <td> \\image html jkqtmathtext/symbols/"<<outputFilename.last()<<"\n";
+                        if (i%3==0) {
+                            fileList<<"     </tr>\n     <tr>\n";
+                        }
+                        i++;
+                    }
+                }
+            }
+            fileList<<"     </tr>";
+            fileList<<"   </table>\n\n\n";
 
+
+            fileList<<"   \\section jkqtmathtext_supportedlatexsymbols_mathop Other Math Operators\n";
+            fileList<<"   The following table lists all remaining math-operator symbols like available in JKQTMathParser. They are defined in the node-class JKQTMathTextSymbolNode:\n";
+            fileList<<"   <table>\n";
+            fileList<<"     <tr>\n";
+            i=1;
+            {
+                QString code="";
+                for (const QString& symbol: symbolsAll) {
+                    if (symbol.size()>0 && JKQTMathTextSymbolNode::isSubSuperscriptBelowAboveSymbol(symbol) && symbol[0].isLetter()) {
+                        symbolsRemaining.remove(symbol);
+                        QString symbol_lower;
+                        for (const QChar& ch: symbol) {
+                            if (ch.isUpper()) symbol_lower+=QString(2, ch).toLower();
+                            else symbol_lower+=ch;
+                        }
+                        static QSet<QString> specialSymbols=QSet<QString>()<<"lim"<<"liminf"<<"limsup"<<"arg"<<"argmin"<<"argmax";
+                        if (JKQTMathTextSymbolNode::getSymbolLength(symbol)>1 && !specialSymbols.contains(symbol)) {
+                            latex.append("$\\"+symbol+"(\\cdot)$\\vphantom{Iq}");
+                        } else {
+                            if (JKQTMathTextSymbolNode::getSymbolLength(symbol)>1) {
+                                latex.append("$\\"+symbol+"\\limits_{x\\rightarrow\\infty}f(x)$\\vphantom{Iq}");
+                            } else {
+                                latex.append("$\\"+symbol+"\\limits_{x=0}^\\infty$\\vphantom{Iq}f(x)");
+                            }
+                        }
+                        outputFilename.append("jkqtmathtext_symbols_"+symbol_lower+".png");
+                        cmdoptions.append(QMap<QString,QString>());
+                        fileList<<"       <td><code>\\\\"<<symbol<<"</code>:\n       <td> \\image html jkqtmathtext/symbols/"<<outputFilename.last()<<"\n";
+                        if (i%3==0) {
+                            fileList<<"     </tr>\n     <tr>\n";
+                        }
+                        i++;
+                    }
+                }
+            }
+            fileList<<"     </tr>";
+            fileList<<"   </table>\n\n\n";
+
+
+            fileList<<"   \\section jkqtmathtext_supportedlatexsymbols_other Other Symbols\n";
             fileList<<"   The following table lists all other symbols that are available in JKQTMathParser. They are defined in the node-class JKQTMathTextSymbolNode:\n";
             fileList<<"   <table>\n";
             fileList<<"     <tr>\n";
             i=1;
-            for (const QString& symbol: symbols) {
-                bool alreadythere=false;
-                for (const QString& gletter: greekLetterNames) {
-                    if (symbol.toLower().endsWith(gletter)) {
-                        alreadythere=true;
-                    }
-                }
-                for (const QString& gletter: arrowNames) {
-                    if (symbol.toLower().contains(gletter)) {
-                        alreadythere=true;
-                    }
-                }
-                if (!alreadythere && symbol.size()>0 && symbol[0].isLetter()) {
+            QStringList symbolsRemainingL=QStringList(symbolsRemaining.begin(), symbolsRemaining.end());
+            std::sort(symbolsRemainingL.begin(), symbolsRemainingL.end(), [](const QString& a, const QString& b) { const QString al=a.toLower(); const QString bl=b.toLower(); if (al==bl) { return a<b; } else return al<bl; });
+            for (const QString& symbol: symbolsRemainingL) {
+                if (symbol.size()>0 && symbol[0].isLetter()) {
                     QString symbol_lower;
                     for (const QChar& ch: symbol) {
                         if (ch.isUpper()) symbol_lower+=QString(2, ch).toLower();