[Aptitude-devel] Bug#792601: aptitude: newline in user tags breaks pkgstates file

[Badalisc]

On 2015-12-03 02:01, Manuel A. Fernandez Montecelo wrote:
> I am fixing this by forbidding to use non-graphic characters (so,
> excluding control and spaces).  I think that it's a reasonable
> requirement for "tags".

It seems like a sensible solution, I would suggest to forbid the empty 
string as a tag name too. Thanks!