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Diffstat (limited to 'doc/luaotfload.conf.rst')
| -rw-r--r-- | doc/luaotfload.conf.rst | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/doc/luaotfload.conf.rst b/doc/luaotfload.conf.rst index b0d19d9..2a339ce 100644 --- a/doc/luaotfload.conf.rst +++ b/doc/luaotfload.conf.rst @@ -6,9 +6,9 @@ Luaotfload configuration file ----------------------------------------------------------------------- -:Date: 2014-06-09 +:Date: 2015-04-20 :Copyright: GPL v2.0 -:Version: 2.5 +:Version: 2.6 :Manual section: 5 :Manual group: text processing @@ -98,8 +98,9 @@ VARIABLES Variables in belong into a configuration section and their values must be of a certain type. Some of them have further constraints. For example, the “color callback” must be a string of one of the values -``pre_linebreak_filter`` or ``pre_output_filter``, defined in the -section *run*. +``post_linebreak_filter``, ``pre_linebreak_filter``, or +``pre_output_filter``, defined in the section *run* of the +configuration file. Currently, the configuration is organized into four sections: @@ -267,7 +268,7 @@ Section ``run`` +------------------+--------+------------------------------+ | variable | type | default | +------------------+--------+------------------------------+ -| color-callback | s | ``"pre_linebreak_filter"`` | +| color-callback | s | ``"post_linebreak_filter"`` | +------------------+--------+------------------------------+ | definer | s | ``"patch"`` | +------------------+--------+------------------------------+ @@ -278,10 +279,14 @@ Section ``run`` The ``color-callback`` option determines the stage at which fonts that defined with a ``color=xxyyzz`` feature will be colorized. By default -this happens in a ``pre_linebreak_filter`` but alternatively the -``pre_output_filter`` may be chosen, which is faster but might produce -inconsistent output. The latter also was the default in the 1.x series -of Luaotfload. +this happens in a ``post_linebreak_filter`` but alternatively the +``pre_linebreak_filter`` or ``pre_output_filter`` may be chosen, which +is faster but might produce inconsistent output. The +``pre_output_filter`` used to be the default in the 1.x series of +Luaotfload, whilst later versions up to and including 2.5 hooked into +the ``pre_linebreak_filter`` which naturally didn’t affect any glyphs +inserting during hyphenation. Both are kept around as options to +restore the previous behavior if necessary. The ``definer`` allows for switching the ``define_font`` callback. Apart from the default ``patch`` one may also choose the ``generic`` |