Updated runtime files.
diff --git a/runtime/doc/usr_01.txt b/runtime/doc/usr_01.txt
index da97723..75de19f 100644
--- a/runtime/doc/usr_01.txt
+++ b/runtime/doc/usr_01.txt
@@ -1,4 +1,4 @@
-*usr_01.txt* For Vim version 7.3. Last change: 2008 May 07
+*usr_01.txt* For Vim version 7.3. Last change: 2010 Nov 03
VIM USER MANUAL - by Bram Moolenaar
@@ -40,13 +40,20 @@
Press CTRL-] to jump to a subject under the cursor.
Press CTRL-O to jump back (repeat to go further back).
-Many links are in vertical bars, like this: |bars|. An option name, like
-'number', a command in double quotes like ":write" and any other word can also
-be used as a link. Try it out: Move the cursor to CTRL-] and press CTRL-]
-on it.
+Many links are in vertical bars, like this: |bars|. The bars themselves may
+be hidden or invisible, see below. An option name, like 'number', a command
+in double quotes like ":write" and any other word can also be used as a link.
+Try it out: Move the cursor to CTRL-] and press CTRL-] on it.
Other subjects can be found with the ":help" command, see |help.txt|.
+The bars and stars are usually hidden with the |conceal| feature. They also
+use |hl-Ignore|, using the same color for the text as the background. You can
+make them visible with: >
+ :set conceallevel=0
+ :hi link HelpBar Normal
+ :hi link HelpStar Normal
+
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*01.2* Vim installed