Proposal - variable line width for ASCII armor output

[Ralph Seichter]

* Stefan Claas via Gnupg-users:

> The reason why I ask, I often see postings on social
> media sites and the output there looks horrible, IMHO.

Fixed-width fun should do the trick. Besides, the ASCII armor format is
meant to facilitate transporting key data in email, not to look pretty.
Personally, I'd rather not see valuable developer time squandered on
a purely aesthetic feature.

-Ralph