[PATCH] help: include bookmarks in 'help revisions' and simplify wording

[Kevin Bullock]

# HG changeset patch
# User Kevin Bullock <kbullock at ringworld.org>
# Date 1337182151 18000
# Branch stable
# Node ID 4b7bfb59ce0939c3413fec6ac16903b0774a210f
# Parent  31579537089b01b47f7c00bac119597e1be771f2
help: include bookmarks in 'help revisions' and simplify wording

diff --git a/mercurial/help/revisions.txt b/mercurial/help/revisions.txt
--- a/mercurial/help/revisions.txt
+++ b/mercurial/help/revisions.txt
@@ -12,13 +12,13 @@ unique revision identifier and is referr
 identifier. A short-form identifier is only valid if it is the prefix
 of exactly one full-length identifier.
 
-Any other string is treated as a tag or branch name. A tag name is a
-symbolic name associated with a revision identifier. A branch name
-denotes the tipmost revision of that branch. Tag and branch names must
-not contain the ":" character.
+Any other string is treated as a bookmark, tag, or branch name. A
+bookmark is a movable pointer to a revision. A tag is a permanent name
+associated with a revision. A branch name denotes the tipmost revision
+of that branch. Bookmark, tag, and branch names must not contain the ":"
+character.
 
-The reserved name "tip" is a special tag that always identifies the
-most recent revision.
+The reserved name "tip" always identifies the most recent revision.
 
 The reserved name "null" indicates the null revision. This is the
 revision of an empty repository, and the parent of revision 0.