Make button object to be a <button> by default

program/include/rcmail_output_html.php

@@ -1333,7 +1333,7 @@ EOF;
             }
         }
         else {
-            $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
+            $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'button';
         }
 
         $command = $attrib['command'];
@@ -1474,6 +1474,17 @@ EOF;
 
             $out = html::tag('input', $attrib, null, array('type', 'value', 'onclick', 'id', 'class', 'style', 'tabindex', 'disabled'));
         }
+        else {
+            if ($attrib['label']) {
+                $attrib['value'] = $attrib['label'];
+            }
+            if ($attrib['command']) {
+                $attrib['disabled'] = 'disabled';
+            }
+
+            $content = isset($attrib['content']) ? $attrib['content'] : $attrib['label'];
+            $out = html::tag('button', $attrib, $content, array('type', 'value', 'onclick', 'id', 'class', 'style', 'tabindex', 'disabled'));
+        }
 
         // generate html code for button
         if ($btn_content) {

program/js/app.js

@@ -7328,7 +7328,7 @@ function rcube_webmail()
         obj.className = button[state];
       }
       // disable/enable input buttons
-      if (button.type == 'input') {
+      if (button.type == 'input' || button.type == 'button') {
         obj.disabled = state == 'pas';
       }
       else if (button.type == 'uibutton') {

program/steps/settings/func.inc

@@ -1395,7 +1395,7 @@ function rcmail_settings_tabs($attrib)
             $action['href'] = $RCMAIL->url(array('_action' => $action['action']));
         }
 
-        $button = $OUTPUT->button($action);
+        $button = $OUTPUT->button($action + array('type' => 'link'));
         $attr   = $attrib;
 
         $cmd = $action['action'] ?: $action['command'];