PR Summary

Numeric strings ending with a decimal point are rendered without the decimal point by Mathtext.

import matplotlib.pyplot as plt
# plt.rcdefaults()
plt.text(.4, .4, '$123.$', usetex=True)
plt.text(.6, .4, '$abc.$', usetex=True)
plt.text(.4, .6, '$123.$', usetex=False)
plt.text(.6, .6, '$abc.$', usetex=False)
plt.show()

Before:

After:

PR Checklist

Tests and Styling

• Has pytest style unit tests (and pytest passes).
• Is Flake 8 compliant (install flake8-docstrings and run flake8 --docstring-convention=all).

Documentation

• [N/A] New features are documented, with examples if plot related.
• [N/A] New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there).
• [N/A] API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).
• [N/A] Documentation is sphinx and numpydoc compliant (the docs should build without error).