; Review and fix NEWS and related documentation

* etc/NEWS: Fix wording, punctuation, and markup.

* lisp/emacs-lisp/subr-x.el (string-glyph-split): Doc fix.

* doc/lispref/display.texi (Displaying Messages): Document
'set-message-functions'.

1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el
index 4896f4c2937..415f8db52ca 100644
--- a/lisp/emacs-lisp/subr-x.el
+++ b/lisp/emacs-lisp/subr-x.el
@@ -333,7 +333,10 @@ as the new values of the bound variables in the recursive invocation."
 ;;;###autoload
 (defun string-glyph-split (string)
   "Split STRING into a list of strings representing separate glyphs.
-This takes into account combining characters and grapheme clusters."
+This takes into account combining characters and grapheme clusters:
+if compositions are enbaled, each sequence of characters composed
+on display into a single grapheme cluster is treated as a single
+indivisible unit."
   (let ((result nil)
         (start 0)
         comp)