diff options
Diffstat (limited to 'tex/context/base/char-utf.lua')
| -rw-r--r-- | tex/context/base/char-utf.lua | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/tex/context/base/char-utf.lua b/tex/context/base/char-utf.lua index a0a611e9a..c3549ec01 100644 --- a/tex/context/base/char-utf.lua +++ b/tex/context/base/char-utf.lua @@ -35,6 +35,9 @@ local characters = characters characters.graphemes = allocate() local graphemes = characters.graphemes +characters.mathpairs = allocate() +local mathpairs = characters.mathpairs + characters.filters = allocate() local filters = characters.filters @@ -54,13 +57,28 @@ local function initialize() -- using vs and first testing for length is faster (.02->.01 s) local vs = v.specials if vs and #vs == 3 and vs[1] == 'char' then - local first, second = utfchar(vs[2]), utfchar(vs[3]) + local one, two = vs[2], vs[3] + local first, second, combined = utfchar(one), utfchar(two), utfchar(k) local cgf = graphemes[first] if not cgf then cgf = { } graphemes[first] = cgf end - cgf[second] = utfchar(k) + cgf[second] = combined + if v.mathclass or v.mathspec then + local mps = mathpairs[two] + if not mps then + mps = { } + mathpairs[two] = mps + end + mps[one] = k + local mps = mathpairs[second] + if not mps then + mps = { } + mathpairs[second] = mps + end + mps[first] = combined + end end end initialize = false |