+namespace {
+
+docstring getLaTeXMarkup(docstring const & macro, docstring const & author,
+ docstring const & chgTime,
+ OutputParams const & runparams)
+{
+ if (macro.empty())
+ return docstring();
+
+ docstring uncodable_author;
+ odocstringstream ods;
+
+ ods << macro;
+ // convert utf8 author name to something representable
+ // in the current encoding
+ pair<docstring, docstring> author_latexed =
+ runparams.encoding->latexString(author, runparams.dryrun);
+ if (!author_latexed.second.empty()) {
+ LYXERR0("Omitting uncodable characters '"
+ << author_latexed.second
+ << "' in change author name!");
+ uncodable_author = author;
+ }
+ ods << author_latexed.first << "}{" << chgTime << "}{";
+
+ // warn user (once) if we found uncodable glyphs.
+ if (!uncodable_author.empty()) {
+ static std::set<docstring> warned_authors;
+ static Mutex warned_mutex;
+ Mutex::Locker locker(&warned_mutex);
+ if (warned_authors.find(uncodable_author) == warned_authors.end()) {
+ frontend::Alert::warning(_("Uncodable character in author name"),
+ support::bformat(_("The author name '%1$s',\n"
+ "used for change tracking, contains the following glyphs that\n"
+ "cannot be represented in the current encoding: %2$s.\n"
+ "These glyphs will be omitted in the exported LaTeX file.\n\n"
+ "Choose an appropriate document encoding (such as utf8)\n"
+ "or change the spelling of the author name."),
+ uncodable_author, author_latexed.second));
+ warned_authors.insert(uncodable_author);
+ }
+ }
+
+ return ods.str();
+}
+
+} // namespace
+
+
+int Changes::latexMarkChange(otexstream & os, BufferParams const & bparams,
+ Change const & oldChange, Change const & change,
+ OutputParams const & runparams)