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-rw-r--r--tests/font_patch.tex24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/font_patch.tex b/tests/font_patch.tex
new file mode 100644
index 0000000..a8820b1
--- /dev/null
+++ b/tests/font_patch.tex
@@ -0,0 +1,24 @@
+\input{luaotfload.sty}
+\directlua {
+ local function patch_font(fontdata)
+ local mc = fontdata.MathConstants
+ local em = fontdata.units
+ local sz = fontdata.size
+ if fontdata.psname == "CambriaMath" and mc then
+ mc.DisplayOperatorMinHeight = 2800 / em * sz
+ end
+ end
+ luaotfload.add_patch_callback(patch_font, "modernmath.patch_font")
+}
+
+\font\4={name:Cambria Math:mode=base;script=math} at 10pt
+\font\5={name:Cambria Math:mode=base;script=math;ssty=1} at 7pt
+\font\6={name:Cambria Math:mode=node;script=math;ssty=2} at 5pt
+\textfont4=\4 \scriptfont4=\5 \scriptscriptfont4=\6
+
+$$
+\Umathchar"1"4`∫
+\Umathchar"1"4`∑
+$$
+\bye
+