diff options
| -rw-r--r-- | luaotfload.dtx | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/luaotfload.dtx b/luaotfload.dtx index 6c3dafd..0cb371e 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -678,6 +678,23 @@ local function def_font(...) mc["FractionDelimiterDisplayStyleSize"] = 2.39 * size fontdata.MathConstants = mc +% \end{macrocode} +% +% \LuaTeX\ does not provide interface to accessing +% \texttt{(Script)ScriptPercentScaleDown} math constants, so we emulate +% \XeTeX\ behaviour by setting \cs{fontdimen10} and \cs{fontdimen11}. +% +% \begin{macrocode} + if mc["ScriptPercentScaleDown"] then + fontdata.parameters[10] = mc["ScriptPercentScaleDown"] + else -- resort to plain TeX default + fontdata.parameters[10] = 70 + end + if mc["ScriptScriptPercentScaleDown"] then + fontdata.parameters[11] = mc["ScriptScriptPercentScaleDown"] + else -- resort to plain TeX default + fontdata.parameters[11] = 50 + end end end |