[AC21.5] Cleaning out old work #5: Manual patch

APPROVE COMMIT 21.5

diff -U0 -r 0fb5bba709ed -r ba779e0bbd09 man/ChangeLog
--- a/man/ChangeLog	Mon Jan 04 15:07:49 2016 +0900
+++ b/man/ChangeLog	Mon Jan 04 15:33:19 2016 +0900
@@ -0,0 +1,5 @@
+2014-11-24  Stephen J. Turnbull  <[email protected]>
+
+	* lispref/strings.texi (String Properties):
+	Note that string properties are separate from extent properties.
+
diff -r 0fb5bba709ed -r ba779e0bbd09 man/lispref/strings.texi
--- a/man/lispref/strings.texi	Mon Jan 04 15:07:49 2016 +0900
+++ b/man/lispref/strings.texi	Mon Jan 04 15:33:19 2016 +0900
@@ -663,12 +663,15 @@
 Just as with symbols, extents, faces, and glyphs, you can attach
 additional information to strings in the form of @dfn{string
 properties}.  These differ from text properties, which are logically
-attached to particular characters in the string.
+attached to particular characters in the string, and from properties
+on extents in the string, which are attached to ranges of characters
+in the string.  In particular, a text or extent property that covers
+the whole string is not the same as a string property.
 
 To attach a property to a string, use @code{put}.  To retrieve a property
 from a string, use @code{get}.  You can also use @code{remprop} to remove
 a property from a string and @code{object-plist} to retrieve a list of
-all the properties in a string.
+all the properties of a string.
 
 @node Formatting Strings, Character Case, String Properties, Strings and Characters
 @section Formatting Strings