than the maximum size of a regular attachment.
</para>
+ <para>
+ Also, if the administrator turned on the <quote>allow_attach_url</quote>
+ parameter, you can enter the URL pointing to the attachment instead of
+ uploading the attachment itself. For example, this is useful if you want to
+ point to an external application, a website or a very large file. Note that
+ there is no guarantee that the source file will always be available, nor
+ that its content will remain unchanged.
+ </para>
+
<section id="patchviewer">
<title>Patch Viewer</title>