"What's New" entry for Mathtext \underline.

tfpf · tfpf · commit b87c1b461e48 · 2022-08-15T10:35:21.000+05:30
diff --git a/doc/users/next_whats_new/mathtext_underline.rst b/doc/users/next_whats_new/mathtext_underline.rst
@@ -0,0 +1,11 @@
+Underlining text while using Mathtext
+-------------------------------------
+
+Mathtext now supports the ``\underline`` command.
+
+.. code-block:: python
+
+    import matplotlib.pyplot as plt
+    plt.text(0.4, 0.7, r'This is $\underline{underlined}$ text.')
+    plt.text(0.4, 0.3, r'So is $\underline{\mathrm{this}}$.')
+    plt.show()
