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runtime(doc): Improve documentation of the ..= assignment operator

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Explicitly mention the "..=" compound assignment operator everywhere
".=" is documented.

Convert some uses of "." and ".=" in the examples to ".." and "..=",
respectively.

closes: #18380

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Doug Kearns
2025-09-24 18:00:16 +00:00
committed by Christian Brabandt
parent 4b97fc901f
commit b6f9d38f96
7 changed files with 43 additions and 21 deletions
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6
runtime/doc/cmdline.txt
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@ -1,4 +1,4 @@
*cmdline.txt* For Vim version 9.1. Last change: 2025 Sep 23
*cmdline.txt* For Vim version 9.1. Last change: 2025 Sep 24
VIM REFERENCE MANUAL by Bram Moolenaar
@ -1161,7 +1161,7 @@ These modifiers can be given, in this order:
:S Escape special characters for use with a shell command (see
|shellescape()|). Must be the last one. Examples: >
:!dir <cfile>:S
:call system('chmod +w -- ' . expand('%:S'))
:call system('chmod +w -- ' .. expand('%:S'))
Examples, when the file name is "src/version.c", current dir
"/home/mool/vim": >
@ -1443,7 +1443,7 @@ the `CmdlineLeavePre` autocmd from the next section): >
\ Grep call <SID>VisitFile()
func s:Grep(arglead, cmdline, cursorpos)
if match(&grepprg, '\$\*') == -1 | let &grepprg .= ' $*' | endif
if match(&grepprg, '\$\*') == -1 | let &grepprg ..= ' $*' | endif
let cmd = substitute(&grepprg, '\$\*', shellescape(escape(a:arglead, '\')), '')
return len(a:arglead) > 1 ? systemlist(cmd) : []
endfunc