Commit: runtime(man): man on AIX does not understand -l

[Christian Brabandt]

runtime(man): man on AIX does not understand -l

Commit: https://github.com/vim/vim/commit/f942db25571e64d413048fcfd9719fdf63a516c6
Author: Christian Brabandt <c...@256bit.org>
Date: Wed Jan 17 21:50:16 2024 +0100

runtime(man): man on AIX does not understand -l

fixes: https://github.com/vim/vim/issues/13847

Co-authored-by: Ken Takata <ken...@csc.jp>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/autoload/dist/man.vim b/runtime/autoload/dist/man.vim
index 7f7d13711..708e1062b 100644
--- a/runtime/autoload/dist/man.vim
+++ b/runtime/autoload/dist/man.vim
@@ -3,7 +3,7 @@
" Maintainer: Jason Franklin <ja...@oneway.dev>
" Maintainer: SungHyun Nam <gow...@gmail.com>
" Autoload Split: Bram Moolenaar
-" Last Change: 2023 Jun 28
+" Last Change: 2024 Jan 17 (make it work on AIX, see #13847)

let s:cpo_save = &cpo
set cpo-=C
@@ -13,14 +13,26 @@ let s:man_tag_depth = 0
let s:man_sect_arg = ""
let s:man_find_arg = "-w"
try
- if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5"
- let s:man_sect_arg = "-s"
- let s:man_find_arg = "-l"
+ if !has("win32") && $OSTYPE !~ 'cygwin\|linux'
+ " cache the value
+ let uname_s = system('uname -s')
+
+ if uname_s =~ "SunOS" && system('uname -r') =~ "^5"
+ " Special Case for Man on SunOS
+ let s:man_sect_arg = "-s"
+ let s:man_find_arg = "-l"
+ elseif uname_s =~? 'AIX'
+ " Special Case for Man on AIX
+ let s:man_sect_arg = ""
+ let s:man_find_arg = ""
+ endif
endif
catch /E145:/
" Ignore the error in restricted mode
endtry

+unlet! uname_s
+
func s:ParseIntoPageAndSection()
" Accommodate a reference that terminates in a hyphen.
"