Make undo action no-ops when the buffer is read-only

[lyx.git] / src / tex2lyx / Preamble.cpp

diff --git a/src/tex2lyx/Preamble.cpp b/src/tex2lyx/Preamble.cpp
index e14176e87468c4ba2797f85551a5e07850961cbf..3588086cfa3c23b1ebffea778e92031e0d95db29 100644 (file)
--- a/src/tex2lyx/Preamble.cpp
+++ b/src/tex2lyx/Preamble.cpp
@@ -1950,6 +1950,11 @@ bool Preamble::writeLyXHeader(ostream & os, bool subdoc, string const & outfiled
           << "\\save_transient_properties " << h_save_transient_properties << "\n"
           << "\\origin " << origin << "\n"
           << "\\textclass " << h_textclass << "\n";
+       if (!h_doc_metadata.empty()) {
+               os << "\\begin_metadata\n"
+                  << h_doc_metadata
+                  << "\n\\end_metadata\n";
+       }
        string const raw = subdoc ? empty_string() : h_preamble.str();
        if (!raw.empty()) {
                os << "\\begin_preamble\n";
@@ -2793,6 +2798,11 @@ void Preamble::parse(Parser & p, string const & forceclass,
                        continue;
                }
 
+               if (t.cs() == "DocumentMetadata") {
+                       h_doc_metadata = trimSpaceAndEol(p.getArg('{', '}'));
+                       continue;
+               }
+
                if (t.cs() == "usepackage") {
                        string const options = p.getArg('[', ']');
                        string const name = p.getArg('{', '}');