From 0842c371132e76fbe67c357b61207e6d5730f553 Mon Sep 17 00:00:00 2001 From: Philipp Gesang Date: Sat, 4 Feb 2017 13:35:56 +0100 Subject: [doc] clarify design size handling --- doc/luaotfload.conf.rst | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/doc/luaotfload.conf.rst b/doc/luaotfload.conf.rst index fbef8ec..63472cf 100644 --- a/doc/luaotfload.conf.rst +++ b/doc/luaotfload.conf.rst @@ -153,8 +153,11 @@ and has no effect on the runtime behavior of Luaotfload, the flag should remain set. Most editors come with zlib support anyways. The setting ``designsize-dimen`` applies when looking up fonts from -families with design sizes. The default of DTP-style “big points” -can be changed for ``pt`` or even ``dd``. +families with design sizes. In Opentype, these are specified as +“decipoints” where one decipoint equals ten DTP style “big points”. +When indexing fonts these values are converted to ``sp``. In order to +treat the values as though they were specified in TeX points or Didot +points, set ``designsize-dimen`` to ``pt`` or ``dd``. The list of ``formats`` must be a comma separated sequence of strings containing one or more of these elements: -- cgit v1.2.3