More explanation of "highlighting".

diff --git a/man/glossary.texi b/man/glossary.texi
index 67adfd017d1ac90ab1b3ee722ac92fe608ab4575..28bd7e88305397e70865ed2a9aaf81b9fb4c9db2 100644 (file)
--- a/man/glossary.texi
+++ b/man/glossary.texi
@@ -540,6 +540,12 @@ Highlighting text means displaying it with a different foreground and/or
 background color to make it stand out from the rest of the text in the
 buffer.
 
+Emacs uses highlighting in several ways.  When you mark a region with
+the mouse, the region is always highlighted.  Optionally Emacs can
+also highlight the region whenever it is active (@pref{Transient
+Mark}).  Incremental search also highlights matches (@pref{Incremental
+Search}).  See also `font lock'.
+
 @item Hardcopy
 Hardcopy means printed output.  Emacs has commands for making printed
 listings of text in Emacs buffers.  @xref{Hardcopy}.