+ void validate(LaTeXFeatures &) const;
+
+ // should this inset be handled like a normal charater
+ bool isChar() const;
+ /// is this equivalent to a letter?
+ bool isLetter() const;
+ /// is this equivalent to a space (which is BTW different from
+ // a line separator)?
+ bool isSpace() const;
+ // should we break lines after this inset?
+ bool isLineSeparator() const;