Why are there additional dashes?

[Th. Fischer]

Ladies and gentlemen,

I wrote the following message to the list. The problem still persists
and is shown even more after I signed the message.


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


Ladies and gentlemen,

I am using GnuPG 1.1.1. I am clearsigning a text file. Maybe I do not know
a feature here, but it shows a strange behavior: Whenever a line
starts with a dash, an additional dash and a space are inserted in
front of it.

A sample :

**** Begin sample ****

 Header line
- --------------

 Bla foo bar shoo.

Now a single dash:
- -
And now two dashes:
- --
And three
- ---


- -- 

Thorsten Fischer

**** End sample ****

This message, after singing, reads as follows:

**** Begin signed ****
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


 Header line
- - --------------

 Bla foo bar shoo.

Now a single dash:
- - -
And now two dashes:
- - --
And three
- - ---


- - -- 

Thorsten Fischer



- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.1.1 (GNU/Linux)
Comment: Weitere Infos: siehe http://www.gnupg.org

iD8DBQE5rQseM5CCYG9sTZQRAg3HAJ0dB0bInQsvsgRE2katKTCbtXQ4gACggrcl
CGaTkk4PFp4Z/MGvvTKAXyk=
=gKqv
- -----END PGP SIGNATURE-----
**** End signed ****

Where do the extra dashes and spaces come from? And why?


Thorsten Fischer

°  frosch at derfrosch dot de  .  http://www.derfrosch.de/  .  gpg: D6F6C4D94
°                         Wo nun das Salz dumm wird, womit soll man's salzen?
°                                                               3-934678-42-4

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.1.1 (GNU/Linux)
Comment: Weitere Infos: siehe http://www.gnupg.org

iD8DBQE5rQ2PM5CCYG9sTZQRAgdwAJ9+lvoqK3LcNWYaOdswHZNAxRl0AwCdHzYU
qWympBt2ebR6Y+kG7zqqnfQ=
=+Teg
-----END PGP SIGNATURE-----