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git-show-ref doc: typeset regexp in fixed width font
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -73,7 +73,7 @@ OPTIONS
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--exclude-existing[=<pattern>]::
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Make 'git show-ref' act as a filter that reads refs from stdin of the
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form "{caret}(?:<anything>\s)?<refname>(?:{backslash}{caret}{})?$"
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form "`{caret}(?:<anything>\s)?<refname>(?:{backslash}{caret}{})?$`"
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and performs the following actions on each:
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(1) strip "{caret}{}" at the end of line if any;
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(2) ignore if pattern is provided and does not head-match refname;
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