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'main': simple parameter expansions at command word: Don't use an undefined value.

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Causes such expansions to be highlighted as [unknown-token] rather than as default (absent from $region_highlight).

Fixes #337.
This commit is contained in:
Daniel Shahaf 2016-06-10 14:25:00 +00:00
parent da91264122
commit d9e07b5082
1 changed files with 3 additions and 1 deletions
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4
highlighters/main/main-highlighter.zsh
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@ -374,7 +374,9 @@ _zsh_highlight_main_highlighter()
local -a match mbegin mend local -a match mbegin mend
local MATCH; integer MBEGIN MEND local MATCH; integer MBEGIN MEND
if [[ $res == none ]] && (( ${+parameters} )) && if [[ $res == none ]] && (( ${+parameters} )) &&
[[ ${arg[1]} == \$ ]] && [[ ${arg:1} =~ ^([A-Za-z_][A-Za-z0-9_]*|[0-9]+)$ ]]; then [[ ${arg[1]} == \$ ]] && [[ ${arg:1} =~ ^([A-Za-z_][A-Za-z0-9_]*|[0-9]+)$ ]] &&
(( ${+parameters[${MATCH}]} ))
then
_zsh_highlight_main__type ${(P)MATCH} _zsh_highlight_main__type ${(P)MATCH}
res=$REPLY res=$REPLY
fi fi