[GPA][PATCH] option->description in confdialog.c

[Ineiev]

Hello,

On Sat, Mar 26, 2016 at 05:43:38AM -0400, Ineiev wrote:
> 
> I was testing i18n in GPA and noticed that some group labels are
> truncated; I cheched confdialog.c and found out that there is
> a 80-character limit for them:
> ...
>  	{
>  	  if (option->flags & GPGME_CONF_GROUP)
>  	    {
> 	      char name[80];
> ...
> 
> Now, if we use Cyrillics it's only 40 letters, which tends to be
> insufficient for Slavic languages; I'd suggest allocating memory
> dynamically.
> 
> Then, I saw that commas in the labels are shown as '%2c', in
> other words, the descriptions should be unescaped (this also applies
> to other pieces of confdialog.c). (I used current GPGME HEAD.)
> 
> At last, there is a bug in the percent_unescape function itself:
> the resulting string is not closed by '\0' in its end, and when
> the unescaping is not trivial, the the string shows a duplicate tail.

Rebased against current HEAD, split into 3 patches.
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