</head>
<body>
<!--
- "$Id: spec-ppd.html 7677 2008-06-19 23:22:19Z mike $"
+ "$Id: spec-ppd.html 7937 2008-09-11 16:16:41Z mike $"
CUPS PPD extensions specification for the Common UNIX Printing System (CUPS).
<p>The PPD format is text-based and uses lines of up to 255
characters terminated by a carriage return, linefeed, or
combination of carriage return and line feed. The following ABNF
-definition [RFC2234] defines the general format of lines in a PPD
+definition [RFC4234] defines the general format of lines in a PPD
file:</p>
<pre class='command'>
KCHAR = ALPHA / DIGIT / "_" / "." / "-"
-SCHAR = LINE-END / WSP / %x21 / %x23-7E / %xA0-FF
+SCHAR = LINE-END / WSP / %x21.23-7E.A0-FF
-TCHAR = %x20-7E / %xA0-FF
+TCHAR = %x20-7E.A0-FF
LINE-END = CR / LF / CR LF
</pre>