On Mon, May 11, 2020 at 3:41 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > > Julien Rouhaud <rjuju...@gmail.com> writes: > > Note that timezone/zic.c would also have to be changed. > > Why? It uses "fallthrough" which is a legal spelling per level 4.
GCC documentation mentions [ \t]*FALLTHR(OUGH|U)[ \t]* for level 4 (out of the view other alternatives), which AFAICT is case sensitive (level 3 has fall(s | |-)?thr(ough|u)[ \t.!]*(-[^\n\r]*)?).