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runtime(doc): clarify complete_match() and 'isexpand' option

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clarify complete_match() documentation to better explain its backward
search behavior, argument handling, and return value format and add an
example of isexpand

closes: #17212

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
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glepnir 2025-04-27 14:59:17 +02:00 committed by Christian Brabandt
parent c29b533cf1
commit ffc89e47d0
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2 changed files with 11 additions and 7 deletions
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12
runtime/doc/builtin.txt
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@ -1,4 +1,4 @@
*builtin.txt* For Vim version 9.1. Last change: 2025 Apr 24
*builtin.txt* For Vim version 9.1. Last change: 2025 Apr 27
VIM REFERENCE MANUAL by Bram Moolenaar
@ -2034,8 +2034,11 @@ complete_info([{what}]) *complete_info()*
Return type: dict<any>
complete_match([{lnum}, {col}]) *complete_match()*
Returns a List of matches found according to the 'isexpand'
option. Each match is represented as a List containing
Searches backward from the given position and returns a List
of matches according to the 'isexpand' option. When no
arguments are provided, uses the current cursor position.
Each match is represented as a List containing
[startcol, trigger_text] where:
- startcol: column position where completion should start,
or -1 if no trigger position is found. For multi-character
@ -2047,9 +2050,6 @@ complete_match([{lnum}, {col}]) *complete_match()*
When 'isexpand' is empty, uses the 'iskeyword' pattern
"\k\+$" to find the start of the current keyword.
When no arguments are provided, uses the current cursor
position.
Examples: >
set isexpand=.,->,/,/*,abc
func CustomComplete()

6
runtime/doc/options.txt
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@ -1,4 +1,4 @@
*options.txt* For Vim version 9.1. Last change: 2025 Apr 24
*options.txt* For Vim version 9.1. Last change: 2025 Apr 27
VIM REFERENCE MANUAL by Bram Moolenaar
@ -4996,6 +4996,10 @@ A jump table for the options with a short description can be found at |Q_op|.
Note: Use "\\," to add a literal comma as trigger character, see
|option-backslash|.
Examples: >
set isexpand=.,->,/*,\\,
<
*'insertmode'* *'im'* *'noinsertmode'* *'noim'*
'insertmode' 'im' boolean (default off)
global