-(defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
- "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
-If the default site is too slow, try to find a CTAN mirror, see
-<URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
-the variable `gnus-button-handle-ctan'."
- :version "22.1"
- :group 'gnus-article-buttons
- :link '(custom-manual "(gnus)Group Parameters")
- :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
- (const "http://tug.ctan.org/tex-archive/")
- (const "http://www.dante.de/CTAN/")
- (string :tag "Other")))
-
-(defcustom gnus-button-ctan-handler 'browse-url
- "Function to use for displaying CTAN links.
-The function must take one argument, the string naming the URL."
- :version "22.1"
- :type '(choice (function-item :tag "Browse Url" browse-url)
- (function :tag "Other"))
- :group 'gnus-article-buttons)
-
-(defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
- "Bogus strings removed from CTAN URLs."
- :version "22.1"
- :group 'gnus-article-buttons
- :type '(choice (const "^/?tex-archive/\\|/")
- (regexp :tag "Other")))
-
-(defcustom gnus-button-ctan-directory-regexp
- (regexp-opt
- (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
- "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
- "languages" "macros" "nonfree" "obsolete" "support" "systems"
- "tds" "tools" "usergrps" "web") t)
- "Regular expression for ctan directories.
-It should match all directories in the top level of `gnus-ctan-url'."
- :version "22.1"
- :group 'gnus-article-buttons
- :type 'regexp)
-