On 10/05/2015 01:50 PM, Dmitry Gutov wrote: > On 10/05/2015 10:47 PM, Daniel Colascione wrote: > >> Did we change something about how complex syntax rules work lately? >> Revision history doesn't point to anything. > > There have been some changes in syntax.c not too long ago, e.g. in > 3928ef2dd5b8febf3b1d9c1bfb22af3698d16bea. Thanks. I'll have to read the code. Since Stefan's changes touched the syntax-propertize stuff and the problems I'm seeing involve that code path, the on-demand stuff is a prime suspect. But I have no repro, and I'm not particularly familiar with how the syntax machinery works.