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Preserve XML attribute or metadata without extensibility
I've been thinking about one of the major complaints about XLIFF 1.2; extensibility makes it difficult for toolmakers to process one another's XLIFF. Then I got to thinking about the primary reason I use extensibility. I use it a lot to preserve XML attributes in my source files. So I started thinking about ways to support the preservation of XML attributes that would remove the need for extensibility. I came up with a few ideas that I added to the wiki:
Today we sometimes need to use extensibility to preserve source XML attributes when converting an XML file to XLIFF. We should create a way to preserve the attributes using supported XLIFF markup - removing the need to extend.
Consider this XML element:
<para id="g_3423_spectrum" alt="It's orders of magnitude faster" rev="c">This is orders of magnitude faster than swept analysis techniques.</para>
If we were to allow an element like <meta-hold> to contain the name of the attribute, its value, and optionally its type and translate y/n, we would eliminate the need for extensibility for this use case.
Example:
<trans-unit id="para-73">
<meta-hold name="id" translate="no">g_3423_spectrum</meta-hold>
<meta-hold name="alt" translate="yes">It's orders of magnitude faster</meta-hold>
<meta-hold name="rev">c</meta-hold>
<source>This is orders of magnitude faster than swept analysis techniques.</source>
. . .
</trans-unit>
Modification to schema:
<xsd:element name="meta-hold">
<xsd:complexType mixed="true">
<xsd:group maxOccurs="unbounded" minOccurs="0" ref="xlf:ElemGroup_TextContent"/>
<xsd:attribute name="name" type="xsd:string" use="required"/>
<xsd:attribute name="type" use="optional"/>
<xsd:attribute name="translate" use="optional"/>
</xsd:complexType>
</xsd:element>
Allow the usual inline elements, but do not allow nested <meta-hold> elements
<xsd:group name="ElemGroup_TextContent">
<xsd:choice>
<xsd:element ref="xlf:g"/>
<xsd:element ref="xlf:bpt"/>
<xsd:element ref="xlf:ept"/>
<xsd:element ref="xlf:ph"/>
<xsd:element ref="xlf:it"/>
<xsd:element ref="xlf:mrk"/>
<xsd:element ref="xlf:x"/>
<xsd:element ref="xlf:bx"/>
<xsd:element ref="xlf:ex"/>
</xsd:choice>
</xsd:group>
I scanned the existing Feature Tracking page, and I don't think we already had something like this.
Thanks,
Bryan Schnabel
Content Management Architect
Phone: 503.627.5282
www.tektronix.com
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