diff options
Diffstat (limited to 'texmf-dist/tex/generic/harftex/harf-base.lua')
-rw-r--r-- | texmf-dist/tex/generic/harftex/harf-base.lua | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/texmf-dist/tex/generic/harftex/harf-base.lua b/texmf-dist/tex/generic/harftex/harf-base.lua index 4b5931fd..37970b29 100644 --- a/texmf-dist/tex/generic/harftex/harf-base.lua +++ b/texmf-dist/tex/generic/harftex/harf-base.lua @@ -9,4 +9,32 @@ local hb = require("luaharfbuzz") -- escaping raw bytes, so skip that as well. hb.CH_GID_PREFIX = 0x110000 + 256 + +-- Legacy TeX Input Method Disguised as Font Ligatures hack. +-- +-- Single replacements, keyed by character to replace. Handled separately +-- because TeX ligaturing mechanism does not support one-to-one replacements. +local trep = { + [0x0022] = 0x201D, -- ["] + [0x0027] = 0x2019, -- ['] + [0x0060] = 0x2018, -- [`] +} + +-- Ligatures. The value is a character "ligature" table as described in the +-- manual. +local tlig ={ + [0x2013] = { [0x002D] = { char = 0x2014 } }, -- [---] + [0x002D] = { [0x002D] = { char = 0x2013 } }, -- [--] + [0x0060] = { [0x0060] = { char = 0x201C } }, -- [``] + [0x0027] = { [0x0027] = { char = 0x201D } }, -- [''] + [0x0021] = { [0x0060] = { char = 0x00A1 } }, -- [!`] + [0x003F] = { [0x0060] = { char = 0x00BF } }, -- [?`] + [0x002C] = { [0x002C] = { char = 0x201E } }, -- [,,] + [0x003C] = { [0x003C] = { char = 0x00AB } }, -- [<<] + [0x003E] = { [0x003E] = { char = 0x00BB } }, -- [>>] +} + +hb.texrep = trep +hb.texlig = tlig + return hb |