DTD Tutorial

<table width="100%"><tr><td><span class="mediumText"><b>>> English <<</b> | <a class="naviBlack" target="_top" href="../Output_cze/example13.html">česky</a> | <a class="naviBlack" target="_top" href="../Output_spa/example13.html">Español</a> | <a class="naviBlack" target="_top" href="../Output_rus/example13.html">По-русски</a> | <a class="naviBlack" target="_top" href="../Output_fre/example13.html">Français</a> | <a class="naviBlack" target="_top" href="../Output_ita/example13.html">Italiano</a> | <a class="naviBlack" target="_top" href="../Output_ger/example13.html">Deutsch</a> | <a class="naviBlack" target="_top" href="../Output_hun/example13.html">Magyar</a></span></td><td style="text-align:right"><span class="mediumText"><a class="naviBlack" target="_top" href="../../../index.html">thebigdir</a> > <a class="naviBlack" target="_top" href="../../../index12db.html?nav_id=tutorials">Tutorials</a> > <b>DTD Tutorial</b></span></td></tr></table><table class="bar" width="750px" border="0" cellpadding="0" cellspacing="0"><tr><td class="naviBlue"><a class="naviWhite" target="_top" href="../General/book.html">Intro</a> / <a class="naviWhite" target="_top" href="http://thebigdir.com/search.php">Search</a> / <a class="naviWhite" target="_top" href="../../../index.html"> home loan mortgage equity refinancing calculator lender rates</a></td></tr></table><table class="hangingMenu" border="0" cellpadding="1" cellspacing="0" width="100%"><tr><td><b>>> Example 13 <<</b> | <a class="naviBlack" href="example12.html">Prev</a> | <a class="naviBlack" href="example14.html">Next</a> | <a class="naviBlack" href="../General/contents.html">Contents</a></td></tr></table><br/><h3>Description</h3><hr/><div class="description">Permitted attribute values can be defined in DTD.</div><br/><h3>DTD</h3><hr/><br/><div class="docDescription">This DTD precisely states permitted values: </div><table width="90%" cellpadding="15"><tr><td class="doc"><br /><!ELEMENT XXX (AAA+, BBB+)><br /><!ELEMENT AAA (#PCDATA)><br /><!ELEMENT BBB (#PCDATA)><br /><!ATTLIST AAA <br />         true ( yes | no ) #REQUIRED><br /><!ATTLIST BBB <br />   month (1|2|3|4|5|6|7|8|9|10|11|12) #IMPLIED>      <br />   <br /></td></tr></table><br/><h3>Valid documents<sup><a href="#">Top</a></sup></h3><hr/><br/><div class="docDescription">All values are given in DTD: </div><table width="90%" cellpadding="15"><tr><td class="doc"><br /> <!DOCTYPE XXX SYSTEM "tutorial.dtd"><br/><br /><XXX><br />   <AAA true="yes"/><br />   <AAA true="no"/><br />   <AAA true="yes"/><br />   <BBB month="8" /><br />   <BBB month="2" /><br />   <BBB month="12" /><br /></XXX><br /></td></tr></table><br/><h3>Documents with errors<sup><a href="#">Top</a></sup></h3><hr/><br/><div class="docDescription">The attribute <span class="attribute">true</span> cannot have the value "maybe", the attribute <span class="attribute">month</span> cannot have the value "16" : </div><table width="90%" cellpadding="15"><tr><td class="doc"><br /> <!DOCTYPE XXX SYSTEM "tutorial.dtd"><br/><br /><XXX><br />   <AAA true="yes"/><br />   <AAA true="no"/><br />   <AAA true="<span class="error">maybe</span>"/><br />   <BBB month="8" /><br />   <BBB month="2" /><br />   <BBB month="<span class="error">16</span>" /><br /></XXX><br /></td></tr></table><br/><p> </p> <p><a href="http://www.quiksilversurfcamps.com">Quiksilver Surf Camps and Surf School</a></p> <p><a href="http://www.roxysurfcamps.com">Roxy Surf Camps and Surf School</a></p> <p> </p>