Mention with-silent-modifications in the lispref manual

* doc/lispref/text.texi (Changing Properties): Document
with-silent-modifications (bug#21171).

(cherry picked from commit fcd0d854eef6e439d51e8f07cf734d5e34e502b3)

diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index ab55c2037d731b6cb0d800810a3b998840963e68..96f109b7561b30b20b2658bc2f2b3921d9802216 100644 (file)
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -2963,6 +2963,11 @@ construct each part with @code{propertize} and then combine them with
 @code{buffer-substring-no-properties}, which copies text from the
 buffer but does not copy its properties.
 
+@findex with-silent-modifications
+  If you wish to add or remove text properties to a buffer without
+marking the buffer as modified, you can wrap the calls above in the
+@code{with-silent-modifications} macro.
+
 @node Property Search
 @subsection Text Property Search Functions
 @cindex searching text properties