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Full coverage of XSLT 1.0, 2.0 and 3.0 elements and XPath functions: - 59 XSLT elements (xsl:stylesheet → xsl:use-accumulators) - 170 XPath functions (1.0 node/string/numeric/boolean, 2.0 sequence/ date/QName/string, 3.0 HOF/map/array/JSON/streaming) Each page: description, parameters table, return value, 2 runnable Saxon examples with input XML + stylesheet + output, notes, cross-links. xsltCompletions.js: all 229 entries now have blogSlug for hover links. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
4.3 KiB
title, description, date, version, versionLabel, category, syntax, tags
| title | description | date | version | versionLabel | category | syntax | tags | |||
|---|---|---|---|---|---|---|---|---|---|---|
| xsl:attribute-set | Defines a named, reusable collection of attributes that can be applied to multiple elements via use-attribute-sets. | 2026-04-18T00:00:00Z | 1.0 | XSLT 1.0 | element | <xsl:attribute-set name="name" use-attribute-sets="names"> |
|
Description
xsl:attribute-set is a top-level declaration that groups a set of xsl:attribute children under a single name. Once defined, the set can be applied to any literal result element or xsl:element / xsl:copy instruction using the use-attribute-sets attribute, which expands all the attributes in the set onto that element.
Attribute sets promote consistency across a stylesheet. If the same combination of attributes — such as a standard HTML link appearance, a set of XML metadata attributes, or table cell formatting — is used in many places, defining it once in an attribute set avoids repetition and makes changes straightforward.
Attribute sets can compose: an xsl:attribute-set declaration may itself reference other attribute sets via use-attribute-sets. When both a set's attribute and a locally written attribute share the same name, the local attribute wins.
Attributes
| Attribute | Type | Required | Description |
|---|---|---|---|
name |
QName | Yes | The name of the attribute set, referenced in use-attribute-sets. |
use-attribute-sets |
whitespace-separated QNames | No | Other attribute sets to include (inheritance / composition). |
Examples
Shared table cell attributes
Input XML:
<?xml version="1.0" encoding="UTF-8"?>
<table>
<row><cell>Name</cell><cell>Value</cell></row>
<row><cell>Alpha</cell><cell>1</cell></row>
</table>
Stylesheet:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:attribute-set name="cell-style">
<xsl:attribute name="border">1</xsl:attribute>
<xsl:attribute name="padding">4</xsl:attribute>
</xsl:attribute-set>
<xsl:template match="/table">
<table>
<xsl:apply-templates select="row"/>
</table>
</xsl:template>
<xsl:template match="row">
<tr>
<xsl:apply-templates select="cell"/>
</tr>
</xsl:template>
<xsl:template match="cell">
<td use-attribute-sets="cell-style">
<xsl:value-of select="."/>
</td>
</xsl:template>
</xsl:stylesheet>
Output:
<table>
<tr>
<td border="1" padding="4">Name</td>
<td border="1" padding="4">Value</td>
</tr>
<tr>
<td border="1" padding="4">Alpha</td>
<td border="1" padding="4">1</td>
</tr>
</table>
Composed attribute sets
Input XML:
<?xml version="1.0" encoding="UTF-8"?>
<doc><para>Text</para></doc>
Stylesheet:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:attribute-set name="base">
<xsl:attribute name="class">block</xsl:attribute>
<xsl:attribute name="lang">en</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="paragraph" use-attribute-sets="base">
<xsl:attribute name="class">paragraph</xsl:attribute>
</xsl:attribute-set>
<xsl:template match="/doc">
<body>
<xsl:apply-templates/>
</body>
</xsl:template>
<xsl:template match="para">
<xsl:element name="p" use-attribute-sets="paragraph">
<xsl:value-of select="."/>
</xsl:element>
</xsl:template>
</xsl:stylesheet>
Output:
<body>
<p class="paragraph" lang="en">Text</p>
</body>
Notes
- When two attribute sets define the same attribute name, the one listed later in
use-attribute-setstakes precedence over earlier ones. - A local
xsl:attributeor inline attribute on the result element overrides any attribute set attribute with the same name. - Circular attribute set references (set A including set B which includes set A) are an error.
- Attribute sets are only applicable to element nodes. They cannot be used with text, comment, or processing-instruction output instructions.