diff options
Diffstat (limited to 'luaotfload.dtx')
| -rw-r--r-- | luaotfload.dtx | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/luaotfload.dtx b/luaotfload.dtx index 0e4745c..5f4dd94 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -330,12 +330,11 @@ and the derived files % \begin{itemize*} % \item |anum|: replaces European numbers with eastern Arabic numbers or % Persian numbers, depending on the value of |language|. -% \item |tlig|: applies legacy \tex ligatures (|`` '' -- -- !` ?`|). -% \item |trep|: applies legacy \tex replacements (|` ' "|). +% \item |tlig|: applies legacy \tex ligatures: |``|, |''|, |`|, |'|, |"|, |--|, +% |---|, |!`| and |?`|.\footnote{For \xetex users: this is the equivalent of +% writing |mapping=text-tex| using \xetex's input remapping feature.} % \end{itemize*} % -% (For \xetex users: these last two are the equivalent of writing -% |mapping=text-tex| using \xetex's input remapping feature.) % % % \section{Font names database} @@ -600,14 +599,22 @@ caches.compilemethod = "both" % Now overriding the \context's definition of |tlig| and |trep| features. % % \begin{macrocode} +local everywhere = { ["*"] = { ["*"] = true } } +local noflags = { } + local tlig = { [0x2013] = {0x002D, 0x002D}, -- endash [0x2014] = {0x002D, 0x002D, 0x002D}, -- emdash [0x201C] = {0x2018, 0x2018}, -- quotedblleft [0x201D] = {0x2019, 0x2019}, -- quotedblright + [0x201E] = {0x002C, 0x002C}, -- quotedblbase + [0x00A1] = {0x0021, 0x2018}, -- exclamdown + [0x00BF] = {0x003F, 0x2018}, -- questiondown +} + +local tlig2 = { [0x201C] = {0x0060, 0x0060}, -- quotedblleft [0x201D] = {0x0027, 0x0027}, -- quotedblright - [0x201E] = {0x002C, 0x002C}, -- quotedblbase [0x00A1] = {0x0021, 0x0060}, -- exclamdown [0x00BF] = {0x003F, 0x0060}, -- questiondown } @@ -632,8 +639,17 @@ local tlig_specification = { flags = noflags, } -fonts.handlers.otf.addfeature("tlig", tlig_specification) -fonts.handlers.otf.addfeature("trep", trep_specification) +local tlig2_specification = { + type = "ligature", + features = everywhere, + data = tlig2, + flags = noflags, +} + +fonts.handlers.otf.addfeature("tlig", + { tlig_specification, tlig2_specification, trep_specification } +) +fonts.handlers.otf.addfeature("trep", {}) % \end{macrocode} % % we provide a callback for patching fonts on the fly, to be used by other |