Paul Johnson wrote: > I realize I can make this go away by removing ~/.lyx, but what the heck > is it about, anyway? > > LyX: Bad boolean `amsart-plain'. Use "false" or "true" [around line 6 of > file ~/.lyx/textclass.lst]
LyX's new class file managment. It lets you now also edit documents when the corresponding LaTeX classes are not installed on your system. Edit->Reconfigure would have done the trick also. Regards, Jürgen.