i would assume it's the syntax highlighting. emacs uses gap buffers for it's data store. i faintly remember that it regexes can be slow in it. but maybe my memo

i would assume it's the syntax highlighting. emacs uses gap buffers for it's data store. i faintly remember that it regexes can be slow in it. but maybe my memory is failing me on this one http://scienceblogs.com/goodmath/2009/02/18/gap-buffers-or-why-bother-with-1/ http://scienceblogs.com/goodmath/2009/02/18/gap-buffers-or-w...