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Accessibility fix for data files in HTML #3189

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Accessibility fix for data files in HTML #3189

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10 changes: 10 additions & 0 deletions xsl/pretext-runestone.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -2839,6 +2839,16 @@ along with PreTeXt. If not, see <http://www.gnu.org/licenses/>.
<xsl:text>;base64,</xsl:text>
<xsl:value-of select="$image-b64-elt/@pi:base64"/>
</xsl:attribute>
<xsl:attribute name="alt">
<xsl:choose>
<xsl:when test="image/shortdescription">
<xsl:value-of select="image/shortdescription"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@filename"/>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
</img>
</xsl:when>
<!-- text, an authored toy example, or a serious external file -->
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