Add test case for mathnormal

llohse · llohse · commit 80a403134b1c · 2026-03-02T09:45:45.000+01:00
Ensure that \mathnormal is parsed and sets digits upright.
diff --git a/lib/matplotlib/tests/test_mathtext.py b/lib/matplotlib/tests/test_mathtext.py
@@ -571,6 +571,13 @@ def test_boldsymbol(fig_test, fig_ref):
     fig_ref.text(0.1, 0.2, r"$\mathrm{abc0123\alpha}$")
 
 
+@check_figures_equal()
+def test_mathnormal(fig_test, fig_ref):
+    # ensure that \mathnormal is parsed and sets digits upright
+    fig_test.text(0.1, 0.2, r"$\mathnormal{0123456789}$")
+    fig_ref.text(0.1, 0.2, r"$\mathrm{0123456789}$")
+
+
 def test_box_repr():
     s = repr(_mathtext.Parser().parse(
         r"$\frac{1}{2}$",
