+ if (layout_->inpreamble && inset_owner_) {
+ Buffer const & buf = inset_owner_->buffer();
+ BufferParams const & bp = buf.params();
+ Font f;
+ TexRow tr;
+ odocstringstream ods;
+ // we have to provide all the optional arguments here, even though
+ // the last one is the only one we care about.
+ owner_->latex(bp, f, ods, tr, features.runparams(), 0, -1, true);
+ docstring const d = ods.str();
+ if (!d.empty()) {
+ // this will have "{" at the beginning, but not at the end
+ string const content = to_utf8(d);
+ string const cmd = layout_->latexname();
+ features.addPreambleSnippet("\\" + cmd + content + "}");
+ }
+ }
+
+ if (features.runparams().flavor == OutputParams::HTML
+ && layout_->htmltitle()) {
+ features.setHTMLTitle(owner_->asString(AS_STR_INSETS));
+ }
+