touch-packages team mailing list archive

[Jason Crain <116453@xxxxxxxxxxxxxxxxxx>]

Created attachment 112107
Remove combining characters from normalized text

This patch changes normalization so that combining characters are
removed from the normalized text.  This makes searching through
TextPage::findText insensitive to these characters.

Also, renames unicodeNormalizeNFKC to unicodeNormalizeSearch to make it
clear it's no longer doing a regular NFKC normalization.

Renames decomp_compat to decomp_compat_base because it now strips
combing characters, leaving only base characters, in addition to
compatibility decomposition.

Removes UnicodeCompTables.h and some compose functions.  They're no
longer needed since we're not recomposing the characters.

I'm not sure if UnicodeTypeTable.h and UnicodeCompTables.h are
considered part of the public interface.  They're included in the xpdf
headers.  Albert, is it OK to change these files in this way?

-- 
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https://bugs.launchpad.net/bugs/116453

Title:
  evince can not find ü in attached PDF

Status in Poppler:
  Confirmed
Status in poppler package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: evince

  1) lsb_release -rd
  Description:	Ubuntu Vivid Vervet (development branch)
  Release:	15.04

  2) apt-cache policy evince
  evince:
    Installed: 3.14.1-0ubuntu1
    Candidate: 3.14.1-0ubuntu1
    Version table:
   *** 3.14.1-0ubuntu1 0
          500 http://us.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status
   
  3) What is expected to happen with the attached document is when one searches for:
  über

  it is found:
  https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/116453/+attachment/102979/+files/example.pdf

  4) What happens instead is it does not return any matches.

  WORKAROUND: Use the built-in PDF viewer+search with chromium-browser
  or chrome (doesn't work in Firefox).

  apt-cache policy chromium-browser
  chromium-browser:
    Installed: 39.0.2171.65-0ubuntu0.14.04.1.1064
    Candidate: 39.0.2171.65-0ubuntu0.14.04.1.1064
    Version table:
   *** 39.0.2171.65-0ubuntu0.14.04.1.1064 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/universe amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ trusty-security/universe amd64 Packages
          100 /var/lib/dpkg/status
       34.0.1847.116-0ubuntu2 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages

  apt-cache policy google-chrome-stable:i386
  google-chrome-stable:i386:
    Installed: 39.0.2171.95-1
    Candidate: 39.0.2171.95-1
    Version table:
   *** 39.0.2171.95-1 0
          500 http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  Architecture: i386
  Date: Wed May 23 18:22:27 2007
  DistroRelease: Ubuntu 7.04
  ExecutablePath: /usr/bin/evince
  Package: evince 0.8.1-0ubuntu1
  PackageArchitecture: i386
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=~/local/bin:~/local/lib:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: evince
  Uname: Linux copper 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686 GNU/Linux

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