Hirohito Higashi
e2f4e18437
patch 9.2.0223: Option handling for key:value suboptions is limited
...
Problem: Option handling for key:value suboptions is limited
Solution: Improve :set+=, :set-= and :set^= for options that use
"key:value" pairs (Hirohito Higashi)
For comma-separated options with P_COLON (e.g., diffopt, listchars,
fillchars), :set += -= ^= now processes each comma-separated item
individually instead of treating the whole value as a single string.
For :set += and :set ^=:
- A "key:value" item where the key already exists with a different value:
the old item is replaced.
- An exact duplicate item is left unchanged.
- A new item is appended (+=) or prepended (^=).
For :set -=:
- A "key:value" or "key:" item removes by key match regardless of value.
- A non-colon item removes by exact match.
This also handles multiple non-colon items (e.g., :set
diffopt-=filler,internal) by processing each item individually, making
the behavior order-independent.
Previously, :set += simply appended the value, causing duplicate keys to
accumulate.
fixes: #18495
closes : #19783
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com >
Signed-off-by: Hirohito Higashi <h.east.727@gmail.com >
Signed-off-by: Christian Brabandt <cb@256bit.org >
2026-03-22 16:19:31 +00:00
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