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| (Empty) |
| 1 <refentry xmlns="http://docbook.org/ns/docbook" | |
| 2 xmlns:xlink="http://www.w3.org/1999/xlink" | |
| 3 xmlns:xi="http://www.w3.org/2001/XInclude" | |
| 4 xmlns:src="http://nwalsh.com/xmlns/litprog/fragment" | |
| 5 xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | |
| 6 version="5.0" xml:id="l10n.lang.value.rfc.compliant"> | |
| 7 <refmeta> | |
| 8 <refentrytitle>l10n.lang.value.rfc.compliant</refentrytitle> | |
| 9 <refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo> | |
| 10 </refmeta> | |
| 11 <refnamediv> | |
| 12 <refname>l10n.lang.value.rfc.compliant</refname> | |
| 13 <refpurpose>Make value of lang attribute RFC compliant?</refpurpose> | |
| 14 </refnamediv> | |
| 15 | |
| 16 <refsynopsisdiv> | |
| 17 <src:fragment xml:id="l10n.lang.value.rfc.compliant.frag"> | |
| 18 <xsl:param name="l10n.lang.value.rfc.compliant" select="1"/> | |
| 19 </src:fragment> | |
| 20 </refsynopsisdiv> | |
| 21 | |
| 22 <refsection><info><title>Description</title></info> | |
| 23 | |
| 24 <para>If non-zero, ensure that the values for all <tag class="attribute">lang</t
ag> attributes in HTML output are RFC | |
| 25 compliant<footnote><para>Section 8.1.1, <link xlink:href="http://www.w3.org/TR/R
EC-html40/struct/dirlang.html#h-8.1.1">Language Codes</link>, in the HTML 4.0 Re
commendation states that: | |
| 26 | |
| 27 <blockquote><para>[RFC1766] defines and explains the language codes | |
| 28 that must be used in HTML documents.</para> | |
| 29 <para>Briefly, language codes consist of a primary code and a possibly | |
| 30 empty series of subcodes: | |
| 31 | |
| 32 <literallayout class="monospaced">language-code = primary-code ( "-" subcode )*<
/literallayout> | |
| 33 </para> | |
| 34 <para>And in RFC 1766, <link xlink:href="http://www.ietf.org/rfc/rfc1766.txt">Ta
gs for the Identification | |
| 35 of Languages</link>, the EBNF for "language tag" is given as: | |
| 36 | |
| 37 <literallayout class="monospaced">Language-Tag = Primary-tag *( "-" Subtag ) | |
| 38 Primary-tag = 1*8ALPHA | |
| 39 Subtag = 1*8ALPHA</literallayout> | |
| 40 </para> | |
| 41 </blockquote> | |
| 42 </para></footnote>. | |
| 43 | |
| 44 by taking any underscore characters in any <tag class="attribute">lang</tag> val
ues found in source documents, and | |
| 45 replacing them with hyphen characters in output HTML files. For | |
| 46 example, <literal>zh_CN</literal> in a source document becomes | |
| 47 <literal>zh-CN</literal> in the HTML output form that source. | |
| 48 | |
| 49 <note> | |
| 50 <para>This parameter does not cause any case change in <tag class="attribute">la
ng</tag> values, because RFC 1766 | |
| 51 explicitly states that all "language tags" (as it calls them) "are | |
| 52 to be treated as case insensitive".</para> | |
| 53 </note> | |
| 54 </para> | |
| 55 | |
| 56 </refsection> | |
| 57 </refentry> | |
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Chromium Code Reviews
Issue 1394993002:
Doing some cleanup. (Closed)
Base URL: https://github.com/dart-lang/www.dartlang.org.git@master