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man: handle leading/trailing/repeating whitespaces in anchor links

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So even if a <term> section contains newlines, we get a reasonable
anchor link to it.

Before:
<dt id="
  bind
  UNIT
  PATH
  [PATH]
"><span class="term">
...
<a class="headerlink" title="Permalink to this term" href="#%0A%20%20%20%20%20%20%20%20%20%20%20%20bind%0A%20%20%20%20%20%20%20%20%20%20%20%20UNIT%0A%20%20%20%20%20%20%20%20%20%20%20%20PATH%0A%20%20%20%20%20%20%20%20%20%20%20%20[PATH]%0A%20%20%20%20%20%20%20%20%20%20">¶</a>

After:
<dt id="bind UNIT PATH [PATH]"><span class="term">
...
<a class="headerlink" title="Permalink to this term" href="#bind%20UNIT%20PATH%20[PATH]">¶</a>

Resolves: #39196
This commit is contained in:
Frantisek Sumsal
2025-10-23 15:30:52 +02:00
parent c05758663b
commit 7168535165
1 changed files with 4 additions and 2 deletions
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6
man/custom-html.xsl
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@@ -158,6 +158,8 @@
<xsl:param name="keyNode"/>
<!-- suggested value for generatedID output, a contextually meaningful ID string -->
<xsl:param name="templateID"/>
<!-- Strip leading and trailing whitespaces, and replace repeating whitespaces with a single space -->
<xsl:variable name="normalizedID" select="normalize-space($templateID)"/>
<xsl:variable name="conflictSource" select="preceding::refsect1/title|preceding::refsect1/info/title|
preceding::refsect2/title|preceding::refsect2/info/title|
preceding::varlistentry/term[1]"/>
@@ -165,10 +167,10 @@
<xsl:choose>
<!-- special case conflictCount = 0 to preserve compatibility with URLs generated by previous versions of this XSL stylesheet where possible -->
<xsl:when test="$conflictCount = 0">
<xsl:value-of select="$templateID"/>
<xsl:value-of select="$normalizedID"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat($templateID, $conflictCount)"/>
<xsl:value-of select="concat($normalizedID, $conflictCount)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>