Add plugin compatiblility info

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@14232 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/src/compose.php b/src/compose.php
index 3ba329b43f0d87f1504e3041488545e705702059..ff5cb9bc82aabd1bea280eab944de25a1112470b 100644 (file)
--- a/src/compose.php
+++ b/src/compose.php
@@ -1185,6 +1185,12 @@ function showInputForm ($session, $values=false) {
     // to do; SquirrelMail itself will add the final "return true".
     // Onsubmit text is enclosed inside of double quotes, so plugins
     // need to quote accordingly.
+    //
+    // Also, plugin authors should try to retain compatibility with
+    // the Compose Extras plugin by resetting its compose submit
+    // counter when preventing form submit.  Use this code: 
+    // if (your-code-here) { submit_count = 0; return false; }
+    //
     if (checkForJavascript()) {
         if (empty($compose_onsubmit))
             $compose_onsubmit = array();