<html><body bgcolor="#FFFFFF"><blockquote type="cite"><div><blockquote type="cite"><br><font class="Apple-style-span" color="#000000"><br></font></blockquote><span></span><br><span>comma is valid character in URLs.</span><br><span></span><br><span>...Only alphanumerics [0-9a-zA-Z], the special characters</span><br><span>"$-_.+!*'()," [not including the quotes - ed], and reserved characters</span><br><span>used for their reserved purposes may be used unencoded within a URL.</span><br><span>- from RFC 1738</span><br><span></span><br><span>Standard character to separate URL list elements would be the blank</span><br><br></div></blockquote><br><div>Nice. Well spotted, thanks. +1</div></body></html>