3.17.6.1 Related variables and functions

gnus-button-*-level

See section 3.17.7 Article button levels.

gnus-button-url-regexp

A regular expression that matches embedded URLs. It is used in the default values of the variables above.

gnus-button-man-handler

The function to use for displaying man pages. It must take at least one argument with a string naming the man page.

gnus-button-mid-or-mail-regexp

Regular expression that matches a message ID or a mail address.

gnus-button-prefer-mid-or-mail

This variable determines what to do when the button on a string as `foo123@bar.invalid' is pushed. Strings like this can be either a message ID or a mail address. If it is one of the symbols mid or mail, Gnus will always assume that the string is a message ID or a mail address, respectively. If this variable is set to the symbol ask, always query the user what do do. If it is a function, this function will be called with the string as its only argument. The function must return mid, mail, invalid or ask. The default value is the function gnus-button-mid-or-mail-heuristic.

gnus-button-mid-or-mail-heuristic

Function that guesses whether its argument is a message ID or a mail address. Returns mid if it's a message IDs, mail if it's a mail address, ask if unsure and invalid if the string is invalid.

gnus-button-mid-or-mail-heuristic-alist

An alist of (RATE . REGEXP) pairs used by the function gnus-button-mid-or-mail-heuristic.

gnus-button-ctan-handler

The function to use for displaying CTAN links. It must take one argument, the string naming the URL.

gnus-ctan-url

Top directory of a CTAN (Comprehensive TeX Archive Network) archive used by gnus-button-ctan-handler.

gnus-article-button-face

Face used on buttons.

gnus-article-mouse-face

Face used when the mouse cursor is over a button.

See section 4.3 Customizing Articles, for how to buttonize articles automatically.