Bug 624201 - Validation does not use XML catalog
Validation does not use XML catalog
Product: Fedora
Classification: Fedora
Component: libxml2 (Show other bugs)
All Linux
low Severity medium
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Assigned To: Daniel Veillard
Fedora Extras Quality Assurance
Depends On:
Blocks: F14Target
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Reported: 2010-08-14 07:18 EDT by Nicolas Mailhot
Modified: 2012-08-16 17:18 EDT (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2012-08-16 17:18:52 EDT
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Description Nicolas Mailhot 2010-08-14 07:18:47 EDT
Description of problem:

Fontconfig XML files use the following DTD declaration:
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">

therefore their system identifier is "fonts.dtd"

This identifier is mapped manually to a specific file using the main system XML catalog /etc/xml/catalog (hope to get it inside out fontconfig package soonish)

<system systemId="fonts.dtd" uri="file:///usr/share/xml/fontconfig/fonts.dtd">

However, even though xmllint man page claims that "XML catalogs starting from /etc/xml/catalog are used by default", the following command fails:

# xmllint --valid /etc/fonts/conf.d/60-google-droid-sans-mono.conf > /dev/null
/etc/fonts/conf.d/60-google-droid-sans-mono.conf:2: warning: failed to load external entity "/etc/fonts/conf.d/fonts.dtd"
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
/etc/fonts/conf.d/60-google-droid-sans-mono.conf:3: validity error : Validation failed: no DTD found !

Version-Release number of selected component (if applicable):
Comment 1 Nicolas Mailhot 2010-08-14 07:20:22 EDT
Should be
<system systemId="fonts.dtd" uri="file:///usr/share/xml/fontconfig/fonts.dtd"/>
Comment 2 Nicolas Mailhot 2010-08-15 06:49:27 EDT
After more testing, I can narrow the bug a little more

xmllint --valid works with the system catalog if one is in the same directory as the tested file

xmllint --valid foo.xml → OK

xmllint --valid only fails if you try to validate a file in some other directory

xmllint --valid bar/foo.xml → NOK
Comment 3 Fedora End Of Life 2012-08-16 17:18:56 EDT
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