Hi list,
I first noticed the following issue a long time ago when I was still
using Vim 7.2 but I just found that it still applies to Vim 7.3c:
When Vim expands the 'tags' option it also considers the 'suffixesadd'
option. Because I have ":set suffixesadd=.vim" in my ~/.vimrc (so that
:find automatically adds the extension ".vim" which seems like a valid
use case to me?) the following then happens to me from time to time:
$ vim -u NONE -U NONE --noplugin -N --cmd 'cd $VIMRUNTIME/syntax | set
sua=.vim | echo tagfiles() | echo taglist(".")' --cmd quit
['tags.vim']
Error detected while processing pre-vimrc command line:
E431: Format error in tags file "tags.vim"
Before byte 95
[]
I don't know whether Vim expands the 'tags' option using the same
internal code that drives glob(). If that is the case then simply
passing flag=1 (internally) should fix the issue.
Unless this is all intentional, in which case it seems appropriate IMHO
to mention this behavior near :help 'tags' or :help 'suffixesadd'.
- Peter Odding
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