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path: root/tex/context/base/mkiv/char-utf.lua
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Diffstat (limited to 'tex/context/base/mkiv/char-utf.lua')
-rw-r--r--tex/context/base/mkiv/char-utf.lua76
1 files changed, 2 insertions, 74 deletions
diff --git a/tex/context/base/mkiv/char-utf.lua b/tex/context/base/mkiv/char-utf.lua
index 327529c32..ece9d7a76 100644
--- a/tex/context/base/mkiv/char-utf.lua
+++ b/tex/context/base/mkiv/char-utf.lua
@@ -48,8 +48,8 @@ characters.graphemes = graphemes
local collapsed = allocate()
characters.collapsed = collapsed
-local combined = allocate()
-characters.combined = combined
+-- local combined = allocate()
+-- characters.combined = combined
local decomposed = allocate()
characters.decomposed = decomposed
@@ -65,8 +65,6 @@ characters.filters.utf = utffilters
local data = characters.data
--- is characters.combined cached?
-
--[[ldx--
<p>It only makes sense to collapse at runtime, since we don't expect source code
to depend on collapsing.</p>
@@ -96,76 +94,6 @@ local decomposed = allocate {
characters.decomposed = decomposed
--- local function initialize() -- maybe only 'mn'
--- local data = characters.data
--- for unicode, v in next, data do
--- -- using vs and first testing for length is faster (.02->.01 s)
--- local vs = v.specials
--- if vs and #vs == 3 then
--- local vc = vs[1]
--- if vc == "char" then
--- local one, two = vs[2], vs[3]
--- if data[two].category == "mn" then
--- local cgf = combined[one]
--- if not cgf then
--- cgf = { [two] = unicode }
--- combined[one] = cgf
--- else
--- cgf[two] = unicode
--- end
--- end
--- local first, second, combination = utfchar(one), utfchar(two), utfchar(unicode)
--- local cgf = graphemes[first]
--- if not cgf then
--- cgf = { [second] = combination }
--- graphemes[first] = cgf
--- else
--- cgf[second] = combination
--- end
--- if v.mathclass or v.mathspec then
--- local mps = mathpairs[two]
--- if not mps then
--- mps = { [one] = unicode }
--- mathpairs[two] = mps
--- else
--- mps[one] = unicode -- here unicode
--- end
--- local mps = mathpairs[second]
--- if not mps then
--- mps = { [first] = combination }
--- mathpairs[second] = mps
--- else
--- mps[first] = combination
--- end
--- end
--- -- elseif vc == "compat" then
--- -- else
--- -- local description = v.description
--- -- if find(description,"LIGATURE") then
--- -- if vs then
--- -- local t = { }
--- -- for i=2,#vs do
--- -- t[#t+1] = utfchar(vs[i])
--- -- end
--- -- decomposed[utfchar(unicode)] = concat(t)
--- -- else
--- -- local vs = v.shcode
--- -- if vs then
--- -- local t = { }
--- -- for i=1,#vs do
--- -- t[i] = utfchar(vs[i])
--- -- end
--- -- decomposed[utfchar(unicode)] = concat(t)
--- -- end
--- -- end
--- -- end
--- end
--- end
--- end
--- initialize = false
--- characters.initialize = function() end -- when used outside tex
--- end
-
local function initialize() -- maybe in tex mode store in format !
local data = characters.data
local function backtrack(v,last,target)