1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
if not modules then modules = { } end modules ['font-lig'] = {
version = 1.001,
comment = "companion to font-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files",
}
-- This module is not loaded but generated a file for plain TeX as a substitute
-- for collapsing the input: "luatex-fonts-lig.lua" with "collapse=yes".
local next = next
local standalone = not characters
if standalone then
require("char-utf")
end
local data = { }
for first, seconds in next, characters.graphemes do
for second, combined in next, seconds do
data[combined] = { first, second }
end
end
-- data['c'] = { 'a', 'b' }
-- data['d'] = { 'c', 'c' }
local feature = {
name = "collapse",
type = "ligature",
prepend = true,
dataset = {
{ data = data },
{ data = data },
}
}
if standalone then
local filename = "luatex-fonts-lig.lua"
local filedata = "-- this file is generated by context\n\n"
.. "fonts.handlers.otf.addfeature "
.. table.serialize(feature,false)
logs.report("fonts","pseudo ligature file %a saved",filename)
io.savedata(filename,filedata)
else
fonts.handlers.otf.addfeature(feature)
end
|
