This face is intended for mark-up syntax and constructs inside text
using font-lock-doc-face; ie, documentation comments and strings in
programming modes.
* lisp/font-lock.el (font-lock-doc-markup-face): New face.
* lisp/cus-theme.el (custom-theme--listed-faces): Add it to the list.
* doc/lispref/modes.texi (Faces for Font Lock): Document it.
* etc/NEWS: Mention it.