gnus-emphasis-alist

gnus-emphasis-alist is a variable defined in `gnus-art.el'.
Its value is shown below.

Documentation:
*Alist that says how to fontify certain phrases.
Each item looks like this:

("_\\(\\w+\\)_" 0 1 'underline)

The first element is a regular expression to be matched. The second
is a number that says what regular expression grouping used to find
the entire emphasized word. The third is a number that says what
regexp grouping should be displayed and highlighted. The fourth
is the face used for highlighting.

You can customize this variable.

Value:

(("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(\\*\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)\\*\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 2 gnus-emphasis-bold)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(_\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)_\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-underline)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(/\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)/\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-italic)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(_/\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)/_\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-underline-italic)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(_\\*\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)\\*_\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-underline-bold)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(\\*/\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)/\\*\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-bold-italic)
 ("\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(_\\*/\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)/\\*_\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)" 2 3 gnus-emphasis-underline-bold-italic)
 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)" 2 3 gnus-emphasis-underline))