Fallout from fixing bug #7587.

 doc/lispref/modes.texi (Emulating Mode Line): Update documentation of
 format-mode-line according to changes that fixed bug #7587.

 etc/NEWS: Mention the incompatible change in format-mode-line wrt its
 FACE argument.

1 files changed, 5 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 6e152777aee..ebc1f0afc9e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1845,6 +1845,11 @@ checking/manipulating elements directly, use the new functions
 ** `mode-name' is no longer guaranteed to be a string.
 Use `(format-mode-line mode-name)' to ensure a string value.
 
+** `format-mode-line' now supports only a few basic faces as its FACE argument.
+The FACE argument to `format-mode-line' should be one of `default',
+`mode-line', `mode-line-inactive', `header-line', or `tool-bar'.  Any
+other face is treated as `default'.
+
 ** The function x-font-family-list has been removed.
 Use the new function font-family-list (see Lisp Changes, below).