namespace Alert = frontend::Alert;
-Buffer * checkAndLoadLyXFile(FileName const & filename)
+Buffer * checkAndLoadLyXFile(FileName const & filename, bool const acceptDirty)
{
// File already open?
Buffer * checkBuffer = theBufferList().getBuffer(filename);
if (checkBuffer) {
- if (checkBuffer->isClean())
+ // sometimes (when setting the master buffer from a child)
+ // we accept a dirty buffer right away (otherwise we'd get
+ // an infinite loop (bug 5514)
+ if (checkBuffer->isClean() || acceptDirty)
return checkBuffer;
docstring const file = makeDisplayPath(filename.absFilename(), 20);
docstring text = bformat(_(