+ /// Information from BibTeX databases is cached in the Buffer, so
+ /// we do not have to read the file over and over.
+ /// Calling this method invalidates the cache and so requires a
+ /// re-read.
+ void invalidateBibinfoCache();
+ /// Updates the cached bibliography information.
+ /// Note that you MUST call this method to update the cache. It will
+ /// not happen otherwise. (Currently, it is called at the start of
+ /// updateLabels() and from GuiCitation.)
+ void checkBibInfoCache() const;