[CSS22] Updated some links that returned a permanent redirect (301).

Author: bert-github

css2/refs.src

@@ -53,8 +53,8 @@ ranges.
 <dt><strong><a name="ref-PNG" class="normref">[PNG]</a></strong>
 <dd>"Portable Network Graphics (PNG) Specification (Second Edition)",
 David Duce, ed., 10 November 2003.<BR>
-Available at <a href="http://www.w3.org/TR/2003/REC-PNG-20031110">
-http://www.w3.org/TR/2003/REC-PNG-20031110</a>.
+Available at <a href="http://www.w3.org/TR/2003/REC-PNG-20031110/">
+http://www.w3.org/TR/2003/REC-PNG-20031110/</a>.
 
 <dt><strong><a name="ref-RFC3986" class="normref">[RFC3986]</a></strong>
 <dd>"Uniform Resource Identifier (URI): Generic Syntax," T.
@@ -116,7 +116,7 @@ class="normref">[UNICODE]</a></strong> <dd>"The Unicode Standard",
 Version 8.0.0, The Unicode Consortium. (Mountain View, CA: The Unicode
 Consortium, 2015. ISBN 978-1-936213-10-8). As updated from time to
 time by the publication of new versions. (See <a
-href="http://www.unicode.org/unicode/standard/versions/">
+href="http://www.unicode.org/standard/versions/">
 http://www.unicode.org/unicode/standard/versions/</a> for the latest
 version and additional information on versions of the standard and of
 the Unicode Character Database).<br> Available at <a
@@ -127,8 +127,8 @@ http://www.unicode.org/versions/Unicode8.0.0/</a>
 <dd>"Extensible Markup Language (XML) 1.1 (Second Edition)", E. Maler,
 J. Cowan, C. M. Sperberg-McQueen, et al., W3C Recommendation, 16
 August 2006<br> Available at
-<a href="http://www.w3.org/TR/2006/REC-xml11-20060816">
-http://www.w3.org/TR/2006/REC-xml11-20060816</a>
+<a href="http://www.w3.org/TR/2006/REC-xml11-20060816/">
+http://www.w3.org/TR/2006/REC-xml11-20060816/</a>
 
 <dt><strong><a name="ref-YACC" class="normref">[YACC]</a></strong>
 <dd>"YACC - Yet another compiler compiler", S. C. Johnson, Technical
@@ -155,7 +155,7 @@ href="http://www.w3.org/TR/CSS/">http://www.w3.org/TR/CSS/</a>
 <dt><strong><a name="ref-CSS1" class="informref">[CSS1]</a></strong>
 <dd>"Cascading Style Sheets, level 1", H. W. Lie and B. Bos,
 17 December 1996, revised 11 January 1999<BR>
-The latest version is available at <a href="http://www.w3.org/TR/CSS1">http://www.w3.org/TR/CSS1</a>
+The latest version is available at <a href="http://www.w3.org/TR/CSS1/">http://www.w3.org/TR/CSS1/</a>
 
 <dt><strong><a name="ref-CSS2" class="informref">[CSS2]</a></strong>
 <dd>"Cascading Style Sheets, level 2, CSS2 Specification", B. Bos, H.
@@ -173,8 +173,8 @@ http://www.w3.org/TR/2011/REC-CSS2-20110607/</a>
 <dt><strong><a name="ref-CSS3COLOR" class="informref">[CSS3COLOR]</a></strong>
 <dd>"CSS3 Color Module," Tantek &Ccedil;elik, Chris Lilley, L. David
 Baron, 7 June 2011, W3C Recommendation. Available at <a
-href="http://www.w3.org/TR/2011/REC-css3-color-20110607">
-http://www.w3.org/TR/2011/REC-css3-color-20110607</a>
+href="http://www.w3.org/TR/2011/REC-css3-color-20110607/">
+http://www.w3.org/TR/2011/REC-css3-color-20110607/</a>
 
 <dt><strong><a name="ref-CSS3LIST" class="informref">[CSS3LIST]</a></strong>
 <dd>"CSS Lists and Counters Module Level&nbsp;3", Tab Atkins, 20 March 2014,
@@ -246,8 +246,8 @@ http://www.w3.org/TR/2008/REC-WCAG20-20081211/</a>.
 <dd>"XHTML™ 1.0 The Extensible HyperText Markup Language (Second
 Edition)", Steven Pemberton et al., W3C Recommendation, 26 January
 2000, revised 1 August 2002<br> Available at: <a
-href="http://www.w3.org/TR/2002/REC-xhtml1-20020801">
-http://www.w3.org/TR/2002/REC-xhtml1-20020801</a>.
+href="http://www.w3.org/TR/2002/REC-xhtml1-20020801/">
+http://www.w3.org/TR/2002/REC-xhtml1-20020801/</a>.
 
 <dt><strong><a name="ref-XMLID" class="informref">[XMLID]</a></strong>
 <dd>"xml:id Version 1.0", J. Marsh, D. Veillard N. Walsh, 9 September