Re: [PATCH] parseopt: do not translate empty help string

> Junio C Hamano <gitster@pobox.com> writes:
>
>>> Oh, I forgot that we actually had a wrapper instead of the usual _.
>>> Yes, I think that would be the better solution to guard against this.
>>
>> OK, then let's replace the patch text of your commit ;-).
>
> He, we need to update the log message a bit, too.

> -- >8 --
> From: Thomas Rast <trast@student.ethz.ch>
> Subject: [PATCH] gettext: do not translate empty string
>
> The gettext .po files have a header, but it looks like the translation
> specification for an empty string.  This results in _("") actually
> returning that header.
>
> Prevent us from passing empty strings to gettext.  In some places,

> we run _(opts->help) where opts->help may be an empty string.
>
> Signed-off-by: Thomas Rast <trast@student.ethz.ch>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
>  gettext.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/gettext.h b/gettext.h
> index 57ba8bb..376297b 100644
> --- a/gettext.h
> +++ b/gettext.h
> @@ -44,6 +44,8 @@ extern int use_gettext_poison(void);
>  
>  static inline FORMAT_PRESERVING(1) const char *_(const char *msgid)
>  {
> +	if (!*msgid)
> +		return "";
>  	return use_gettext_poison() ? "# GETTEXT POISON #" : gettext(msgid);
>  }