[Desktop-packages] [Bug 2020814] [NEW] xmllint does not recognize emdash (— )

Jeffrey Walton Thu, 25 May 2023 13:10:40 -0700

Public bug reported:

I'm using Ubuntu 20.04.2 LTS, x85_64, fully patched. I'm using DocBook to build 
a PDF. One of the steps I use in my build script is to validate and format the 
XML using xmllint from libxml2-utils
2.9.13+dfsg-1ubuntu0.3:


    echo "Validating book..."
    if ! xmllint --xinclude --noout --postvalid book.xml
    then
        echo "Validation failed. Exiting."
        exit 1
    fi
    echo "Complete."

    echo "Formatting source code..."
    for file in *.xml
    do
        if xmllint --format "${file}" --output "${file}.format"
        then
            mv "${file}.format" "${file}"
        fi
    done
    echo "Complete."

When I added an emdash (&mdash;) the book failed to format:

    Validating book...
    Complete.
    Formatting source code...
    ch02.xml:58: parser error : Entity 'mdash' not defined
     injections are remediated using several methods. And two output devices 
&mdash;
                                                                                
   ^
    ch02.xml:58: parser error : Entity 'mdash' not defined
     methods. And two output devices &mdash; the printer and plaintext email 
&mdash;
                                                                                
   ^
    Complete.

The text is:

    <para>... And two output devices &mdash; the printer and plaintext
email &mdash; do not require...</para>

It seems like emdash should be recognized.

-----

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04.2 LTS
Release:        22.04
Codename:       jammy

-----

$ xmllint --version
xmllint: using libxml version 20913
   compiled with: Threads Tree Output Push Reader Patterns Writer SAXv1 FTP 
HTTP DTDValid HTML Legacy C14N Catalog XPath XPointer XInclude Iconv ICU 
ISO8859X Unicode Regexps Automata Schemas Schematron Modules Debug Zlib Lzma

$ command -v xmllint
/usr/bin/xmllint

$ dpkg -S /usr/bin/xmllint
libxml2-utils: /usr/bin/xmllint

$ apt-cache show libxml2-utils
Package: libxml2-utils
Architecture: amd64
Version: 2.9.13+dfsg-1ubuntu0.3
Multi-Arch: foreign
Priority: optional
Section: text
Source: libxml2
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
Original-Maintainer: Debian XML/SGML Group 
<debian-xml-sgml-p...@lists.alioth.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 202
Depends: libc6 (>= 2.34), libxml2 (>= 2.9.0)
Filename: pool/main/libx/libxml2/libxml2-utils_2.9.13+dfsg-1ubuntu0.3_amd64.deb
Size: 40192
MD5sum: 3ca7de07562010fcaabf255ea8fea9c4
SHA1: 128a9cfaff49e85f2ab08578f389eecb21f17766
SHA256: c279c07caf909545e2cedb7845b5ac652e0a70f9784e5faf799a1a01441b4649
SHA512: 
51600d7206c9a5568fdaeee9adddbc48962fc094cc479f4bd42c0714b3725cd3200937f8c876a897db08fc50d891005d7dbabfb6ae12ad27ad6ed416f8b6a03d
Homepage: http://xmlsoft.org
...

** Affects: libxml2 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2020814

Title:
  xmllint does not recognize emdash (&mdash;)

Status in libxml2 package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 20.04.2 LTS, x85_64, fully patched. I'm using DocBook to 
build a PDF. One of the steps I use in my build script is to validate and 
format the XML using xmllint from libxml2-utils
  2.9.13+dfsg-1ubuntu0.3:

      echo "Validating book..."
      if ! xmllint --xinclude --noout --postvalid book.xml
      then
          echo "Validation failed. Exiting."
          exit 1
      fi
      echo "Complete."

      echo "Formatting source code..."
      for file in *.xml
      do
          if xmllint --format "${file}" --output "${file}.format"
          then
              mv "${file}.format" "${file}"
          fi
      done
      echo "Complete."

  When I added an emdash (&mdash;) the book failed to format:

      Validating book...
      Complete.
      Formatting source code...
      ch02.xml:58: parser error : Entity 'mdash' not defined
       injections are remediated using several methods. And two output devices 
&mdash;
                                                                                
     ^
      ch02.xml:58: parser error : Entity 'mdash' not defined
       methods. And two output devices &mdash; the printer and plaintext email 
&mdash;
                                                                                
     ^
      Complete.

  The text is:

      <para>... And two output devices &mdash; the printer and plaintext
  email &mdash; do not require...</para>

  It seems like emdash should be recognized.

  -----

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 22.04.2 LTS
  Release:        22.04
  Codename:       jammy

  -----

  $ xmllint --version
  xmllint: using libxml version 20913
     compiled with: Threads Tree Output Push Reader Patterns Writer SAXv1 FTP 
HTTP DTDValid HTML Legacy C14N Catalog XPath XPointer XInclude Iconv ICU 
ISO8859X Unicode Regexps Automata Schemas Schematron Modules Debug Zlib Lzma

  $ command -v xmllint
  /usr/bin/xmllint

  $ dpkg -S /usr/bin/xmllint
  libxml2-utils: /usr/bin/xmllint

  $ apt-cache show libxml2-utils
  Package: libxml2-utils
  Architecture: amd64
  Version: 2.9.13+dfsg-1ubuntu0.3
  Multi-Arch: foreign
  Priority: optional
  Section: text
  Source: libxml2
  Origin: Ubuntu
  Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
  Original-Maintainer: Debian XML/SGML Group 
<debian-xml-sgml-p...@lists.alioth.debian.org>
  Bugs: https://bugs.launchpad.net/ubuntu/+filebug
  Installed-Size: 202
  Depends: libc6 (>= 2.34), libxml2 (>= 2.9.0)
  Filename: 
pool/main/libx/libxml2/libxml2-utils_2.9.13+dfsg-1ubuntu0.3_amd64.deb
  Size: 40192
  MD5sum: 3ca7de07562010fcaabf255ea8fea9c4
  SHA1: 128a9cfaff49e85f2ab08578f389eecb21f17766
  SHA256: c279c07caf909545e2cedb7845b5ac652e0a70f9784e5faf799a1a01441b4649
  SHA512: 
51600d7206c9a5568fdaeee9adddbc48962fc094cc479f4bd42c0714b3725cd3200937f8c876a897db08fc50d891005d7dbabfb6ae12ad27ad6ed416f8b6a03d
  Homepage: http://xmlsoft.org
  ...

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[Desktop-packages] [Bug 2020814] [NEW] xmllint does not recognize emdash (— )

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