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authorHans Hagen <pragma@wxs.nl>2023-04-11 23:40:06 +0200
committerContext Git Mirror Bot <phg@phi-gamma.net>2023-04-11 23:40:06 +0200
commit3b909ab613140e7a9c824c434b642f0578473a6d (patch)
treec4feec8afb3e9d1dfc26895a73c55ca194261601 /doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex
parent059fc69b2c7853b937ddb4cfc9d36304dee07893 (diff)
downloadcontext-3b909ab613140e7a9c824c434b642f0578473a6d.tar.gz
2023-04-11 22:47:00
Diffstat (limited to 'doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex')
-rw-r--r--doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex6
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diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex b/doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex
index b4e692545..127fd16c1 100644
--- a/doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex
+++ b/doc/context/sources/general/manuals/luametatex/luametatex-fonts.tex
@@ -130,8 +130,14 @@ optical paragraph optimization:
\NC \type {leftprotruding} \NC number \NC left protruding factor (\prm {lpcode}) \NC\NR
\NC \type {rightprotruding} \NC number \NC right protruding factor (\prm {rpcode}) \NC\NR
\NC \type {expansion} \NC number \NC expansion factor (\prm {efcode}) \NC\NR
+\NC \type {compression} \NC number \NC compression factor (\prm {cfcode}) \NC\NR
\stoptabulate
+The \prm {lpcode}, \prm {rpcode} and \prm {efcode} are comparable to the ones
+introduced by \PDFTEX, while \prm {cfcode} complements \prm {efcode}: a
+compression alongside expansion code per character. In \LUAMETATEX\ the expansion
+mechanism is also available in math.
+
From \TEX\ we inherit the following tables. Ligatures are only used in so call
base mode, when the engine does the font magic. Kerns are used in text and
optionally in math: More details follow below.