added new hook info to docs

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@940 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/doc/plugin.txt b/doc/plugin.txt
index 1031e0ca8a0c6dbbefa86b755000463400500e02..7236006cf115ecdda66931653ed213f639f6dc18 100644 (file)
--- a/doc/plugin.txt
+++ b/doc/plugin.txt
@@ -120,6 +120,7 @@ List of hooks
   read_body_top                   src/read_body.php
   read_body_bottom                src/read_body.php
   html_bottom                     src/read_body.php
+  read_body_header                src/read_body.php
   search_before_form              src/search.php
   search_after_form               src/search.php
   search_bottom                   src/search.php