patch 8.2.3031: no error if a function name starts with an underscore Commit: https://github.com/vim/vim/commit/22f17a29cd0b0cc3107dc6cd1d96c62eee52a7d9 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 21 20:48:58 2021 +0200 patch 8.2.3031: no error if a function name starts with an underscore Problem: No error if a function name starts with an underscore. (Naohiro Ono) Solution: In Vim9 script disallow a function name starting with an underscore, as is mentioned in the help. (closes #8414)

s%-lXext  *%%g
s%-lXmu  *%%g
s%-lXm  *%/usr/lib/Xm.x %g
s%-lX11  *%/usr/lib/X11.x %g
s%-lXt  *%%g
s%-lSM  *%/usr/lib/SM.x %g
s%-lICE  *%/usr/lib/ICE.x %g