Re: Pango-1.17.1 released [unstable]

A million thanks for the constant work on Pango, and specially the
time spent on fixing bug 385168.


On 5/31/07, Behdad Esfahbod <besfahbo redhat com> wrote:
Pango-1.17.1 is now available for download at:

65861273a8e777f125ebfb4cc4d7acfe  pango-1.17.1.tar.bz2
54b756fb073d496d079becf8ae3eb2cf  pango-1.17.1.tar.gz

This is the a development release in a series leading to
Pango-1.18.0, which will be released just in time for


 * This is unstable development release. While it has had
   fairly extensive testing, there are likely bugs
   remaining to be found. This release should not be used
   in production.

 * Installing this version will overwrite your existing
   copy of Pango. If you have problems, you'll need
   to reinstall Pango-1.16.x

 * Bugs should be reported to

About Pango

Pango is a library for layout and rendering of text, with an emphasis
on internationalization. Pango can be used anywhere that text layout
is needed, though most of the work on Pango so far has been done in
the context of the GTK+ widget toolkit. Pango forms the core of text
and font handling for GTK+-2.x.

Pango is designed to be modular; the core Pango layout engine can
be used with different font backends. There are three basic backends,
with multiple options for rendering with each.

 - Client side fonts using the FreeType and fontconfig libraries.
   Rendering can be with with Cairo or Xft libraries, or directly
   to an in-memory buffer with no additional libraries.

 - Native fonts on Microsoft Windows using Uniscribe for
   complex-text handling. Rendering can be done via Cairo or
   directly using the native Win32 API.

 - Native fonts on MacOS X, rendering via Cairo.

The integration of Pango with Cairo (
provides a complete solution with high quality text handling
and graphics rendering.

Dynamically loaded modules then handle text layout for particular
combinations of script and font backend. Pango ships with a wide
selection of modules, including modules for Hebrew, Arabic,
Hangul, Thai, and a number of Indic scripts. Virtually all of the
world's major scripts are supported.

As well as the low level layout rendering routines, Pango includes
PangoLayout, a high level driver for laying out entire blocks of text,
and routines to assist in editing internationalized text.

More information about Pango is available from
Bugs should be reported to

Pango 1.17 depends on version 2.12.0 or newer of the GLib
library and version 1.2.6 or newer of the cairo library (if the
cairo backend is desired); more information about GLib and cairo
can be found at and

Overview of changes between 1.17.0 and 1.17.1

- Ported the rest of OpenType shapers to the new OpenType APIs and
  added standard features to them: Hebrew, Indic, Khmer, Thai, and Tibetan.

- Added N'Ko support to the Arabic module. [Eugeniy Meshcheryakov]

- Small Indic module fix for Malayalam.

- Fixed font metrics returned by the ATSUI backend. [Richard Hult]

- Make itemization use pango_language_get_default() if context has no
  language set on it.  Ditto for pango_context_get_metrics() if both
  input language and context language are NULL.

- Improved documentation on vertical text, also added stability note
  to those parts of Pango API that are not indefinitely stable (shaper
  and language engine APIs).

- Misc bug fixes.

- New OpenType engine API:


- Bugs fixed in this release:

        Bug 357790 – Rendering problem for malayalam consonant RA (U+0D30)
        Bug 385168 – indic, khmer, and tibetan modules don't apply ccmp
        Bug 385477 – kern feature is not supported in OpenType layout for Tibetan.
        Bug 433805 - [Atsui] Approximate char/digit width width often 0
        Bug 436699 – N'Ko support
        Bug 438705 – Test runs non-existent "/bin/bash" on HP-UX 11.11
        Bug 438814 – synaptic crash with pango 1.17.0
        Bug 440603 – Minor ABI change

30 May 2007
Behdad Esfahbod

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