5.x tinymce.module tinymce_form_alter(&$form, $form_id)
4.x tinymce.module tinymce_form_alter(&$form, $form_id)

Implementation of hook_form_alter


modules/tinymce/tinymce.module, line 121
The TinyMCE module will init TinyMCE (the editor) on appropriate pages. This module is primarily for managing what those pages are.


function tinymce_form_alter(&$form, $form_id) {

  // if tinymce is active, add instrcutions under the textareas.
  if ($GLOBALS["tinymce_active"]) {

    fp_add_css(fp_get_module_path("tinymce") . "/css/tinymce.css");

    foreach ($form as $key => $val) {
      if ($form[$key]["type"] == "textarea") {
        $form[$key]["description"] .= "<div class='tinymce-extra-instructions'>
                                        " . t("Trouble with Copy/Paste? Try keyboard
                                              shortcuts CTRL-C and CTRL-V. To single-space, press CTRL-ENTER.") . "</div>";