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doc: support TAB as a delimiter between --option and description

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* src/system.h (oputs_): Treat a single TAB as an option delimiter.
Some zh translations use this delimiter format.
This commit is contained in:
Pádraig Brady 2026-01-25 19:52:59 +00:00
parent c3894e0723
commit ca68ab6c8a
1 changed files with 3 additions and 2 deletions
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src/system.h
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@ -576,10 +576,11 @@ oputs_ (MAYBE_UNUSED char const* program, char const *option)
/* Set highlighted text up to spacing after the full option text.
Any single space is included in highlighted text,
double space or newline terminates the option text. */
double space or TAB or newline terminates the option text. */
char const *desc_text = option_text + anchor_len;
while (*desc_text && *desc_text != '\n'
&& (! isspace (*desc_text) || ! isspace (*(desc_text + 1))))
&& (! isspace (*desc_text)
|| (*desc_text != '\t' && ! isspace (*(desc_text + 1)))))
desc_text++;
/* write spaces before option text. */