+ /**
+ * Do we have to output this character as LaTeX command in any case?
+ * This is true if the "force" flag is set.
+ * We need this if the inputencoding does not support a certain glyph.
+ */
+ static bool isForced(char_type c);
+ /**
+ * Do we have to display in italics this character when in mathmode?
+ * This is true if the "mathalpha" flag is set. We use this for
+ * letters and accented characters that are output as math commands.
+ */
+ static bool isMathAlpha(char_type c);
+ /**
+ * Register \p c as a mathmode command.
+ */
+ static void addMathCmd(char_type c) { mathcmd.insert(c); }
+ /**
+ * Register \p c as a textmode command.
+ */
+ static void addTextCmd(char_type c) { textcmd.insert(c); }
+ /**
+ * Register \p c as a mathmode symbol.
+ */
+ static void addMathSym(char_type c) { mathsym.insert(c); }
+ /**
+ * Tell whether \p c is registered as a mathmode command.
+ */
+ static bool isMathCmd(char_type c) { return mathcmd.count(c); }
+ /**
+ * Tell whether \p c is registered as a textmode command.
+ */
+ static bool isTextCmd(char_type c) { return textcmd.count(c); }
+ /**
+ * Tell whether \p c is registered as a mathmode symbol.
+ */
+ static bool isMathSym(char_type c) { return mathsym.count(c); }
+ /**
+ * Initialize mathcmd, textcmd, and mathsym sets.
+ */
+ static void initUnicodeMath(Buffer const & buffer, bool clear_sets = true);
+ /**
+ * If \p c cannot be encoded in the given \p encoding, convert
+ * it to something that LaTeX can understand in mathmode.
+ * \return whether \p command is a mathmode command
+ */
+ static bool latexMathChar(char_type c, bool mathmode,
+ Encoding const * encoding, docstring & command);
+ /**
+ * Convert the LaTeX command in \p cmd to the corresponding unicode
+ * point and set \p combining to true if it is a combining symbol
+ */
+ static char_type fromLaTeXCommand(docstring const & cmd, bool & combining);
+ /**
+ * Convert the LaTeX commands in \p cmd and \return a docstring
+ * of corresponding unicode points. The conversion stops at the
+ * first command which could not be converted, and the remaining
+ * unconverted commands are returned in \p rem
+ */
+ static docstring fromLaTeXCommand(docstring const & cmd, docstring & rem);