Sync with 1.8.1.5

Documentation/RelNotes/1.8.1.5.txt

@@ -8,6 +8,12 @@ Fixes since v1.8.1.4
    the command line where an option is expected, the option parser
    used just one byte of the unknown letter when reporting an error.
 
+ * In v1.8.1, the attribute parser was tightened too restrictive to
+   error out upon seeing an entry that begins with an ! (exclamation),
+   which may confuse users to expect a "negative match", which does
+   not exist.  This has been demoted to a warning; such an entry is
+   still ignored.
+
  * "git apply --summary" has been taught to make sure the similarity
    value shown in its output is sensible, even when the input had a
    bogus value.

Documentation/git.txt

@@ -43,9 +43,10 @@ unreleased) version of Git, that is available from 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v1.8.1.4/git.html[documentation for release 1.8.1.4]
+* link:v1.8.1.5/git.html[documentation for release 1.8.1.5]
 
 * release notes for
+  link:RelNotes/1.8.1.5.txt[1.8.1.5],
   link:RelNotes/1.8.1.4.txt[1.8.1.4],
   link:RelNotes/1.8.1.3.txt[1.8.1.3],
   link:RelNotes/1.8.1.2.txt[1.8.1.2],

Documentation/githooks.txt

@@ -365,7 +365,7 @@ preceding SP is also omitted.  Currently, no commands pass any
 'extra-info'.
 
 The hook always runs after the automatic note copying (see
-"notes.rewrite.<command>" in linkgit:git-config.txt) has happened, and
+"notes.rewrite.<command>" in linkgit:git-config.txt[1]) has happened, and
 thus has access to these notes.
 
 The following command-specific comments apply: