+ /**
+ * Convert \p input to something that LaTeX can understand.
+ * This is either the string itself (if it is representable
+ * in this encoding), or a LaTeX macro.
+ * If a character is not representable in this encoding, but no
+ * LaTeX macro is known, a warning is given of lyxerr, and the
+ * character is returned in the second string of the pair and
+ * omitted in the first.
+ * \p dryrun specifies whether the string is used within source
+ * preview (which yields a special warning).
+ */
+ std::pair<docstring, docstring> latexString(docstring const input,
+ bool dryrun = false) const;