Merge from origin/emacs-27

bcc4cc3362 Doc fixes for 'face-foreground' and 'face-background'.
bf6442fafd ; * admin/make-tarball.txt: Minor addition to the Web page...
38b127d32e * admin/admin.el (set-version): Handle malformed NEWS markup.
0d7e2a993e admin.el fix for bug#47394
fdec444758 ; * etc/NEWS: Fix typo.
1e6ca2765f ; * admin/make-tarball.txt: Another minor addition.

# Conflicts:
#	etc/NEWS

admin/admin.el

@@ -151,7 +151,7 @@ Root must be the root of an Emacs source tree."
           (display-warning 'admin
                            "NEWS file contains empty sections - remove them?"))
         (goto-char (point-min))
-        (if (re-search-forward "^\\(\\+\\+\\+ *$\\|--- *$\\|Temporary note:\\)" nil t)
+        (if (re-search-forward "^\\(\\+\\+\\+? *$\\|---? *$\\|Temporary note:\\)" nil t)
             (display-warning 'admin
                              "NEWS file still contains temporary markup.
 Documentation changes might not have been completed!"))))
@@ -545,7 +545,7 @@ Leave point after the table."
 	(forward-line 1)
 	(while (not done)
 	  (cond ((re-search-forward "<tr><td.*&bull; \\(<a.*</a>\\)\
-:</td><td>&nbsp;&nbsp;</td><td[^>]*>\\(.*\\)" (line-end-position) t)
+:?</td><td>&nbsp;&nbsp;</td><td[^>]*>\\(.*\\)" (line-end-position) t)
 		 (replace-match (format "<tr><td%s>\\1</td>\n<td>\\2"
 					(if table-workaround
 					    " bgcolor=\"white\"" "")))

admin/make-tarball.txt

@@ -250,8 +250,12 @@ General steps (for each step, check for possible errors):
     because replies that invariably are not announcements also get
     sent out as if they were.)
 
-12. After a release, update the Emacs pages as below.
+12. After a release, update the Emacs pages as described below.
 
+13. Bump the Emacs version on the release branch.
+    If the released version was XX.Y, use 'set-version' from
+    admin/admin.el to bump the version on the release branch to
+    XX.Y.50.  Commit the changes.
 
 UPDATING THE EMACS WEB PAGES AFTER A RELEASE
 
@@ -271,5 +275,14 @@ page for about a month, then comment it again.
 Regenerate the various manuals in manual/.
 The scripts admin/make-manuals and admin/upload-manuals summarize the process.
 
+If you have Texinfo installed locally, make-manuals might fail if it
+cannot find epsf.tex.  In that case define in the environment
+
+  TEXINPUTS=:/path/to/texinfo-tree/doc
+
+where /path/to/texinfo-tree is the absolute file name of the top-level
+directory where you have the Texinfo source tree.  Then re-run
+make-manuals.
+
 Browsing <https://web.cvs.savannah.gnu.org/viewvc/?root=emacs> is one
 way to check for any files that still need updating.

etc/NEWS.27

@@ -966,7 +966,6 @@ the entire list as before.  An integer value limits the list length
 
 *** 'vc-git-stash' is now bound to 'C' in the stash headers.
 
---
 *** Some stash keybindings are now available in the stash button.
 'vc-git-stash' and 'vc-git-stash-snapshot' can now be run using 'C'
 and 'S' respectively, including when there are no stashes.

lisp/faces.el

@@ -503,7 +503,8 @@ If INHERIT is t, and FACE doesn't define a foreground color, then any
   foreground color that FACE inherits through its `:inherit' attribute
   is considered as well; however the return value may still be nil.
 If INHERIT is a face or a list of faces, then it is used to try to
-  resolve an unspecified foreground color.
+  resolve an unspecified foreground color, in addition to using any
+inherited color.
 
 To ensure that a valid color is always returned, use a value of
 `default' for INHERIT; this will resolve any unspecified values by
@@ -523,7 +524,8 @@ If INHERIT is t, and FACE doesn't define a background color, then any
   background color that FACE inherits through its `:inherit' attribute
   is considered as well; however the return value may still be nil.
 If INHERIT is a face or a list of faces, then it is used to try to
-  resolve an unspecified background color.
+  resolve an unspecified background color, in addition to using any
+inherited color.
 
 To ensure that a valid color is always returned, use a value of
 `default' for INHERIT; this will resolve any unspecified values by