Sep 26, 2022
diff --git a/lib/matplotlib/tests/test_usetex.py b/lib/matplotlib/tests/test_usetex.py
 from matplotlib.testing import _has_tex_package
 from matplotlib.testing.decorators import check_figures_equal, image_comparison
 from matplotlib.testing._markers import needs_usetex
 from matplotlib.texmanager import TexManager
 import matplotlib.pyplot as plt


    ax.text(0.5, 0.5, 'hello')
    with TemporaryFile() as tmpfile, pytest.raises(ValueError):
        fig.savefig(tmpfile, format=fmt)


 def test_ends_with_displaymath():
    # Check that we do not include extra vspace after displaymath.
    text = r'\begin{eqnarray*} foo \\ bar \end{eqnarray*}'
    w, h, d = TexManager().get_text_width_height_descent(text, 12)
    assert d == 0  # no extra descent on the last line.
diff --git a/lib/matplotlib/texmanager.py b/lib/matplotlib/texmanager.py
            rf"\fontsize{{{fontsize}}}{{{baselineskip}}}%",
            r"\ifdefined\psfrag\else\hbox{}\fi%",
            rf"{{\obeylines{fontcmd} {tex}}}%",
            r"\special{matplotlibbaselinemarker}%",
            r"\vskip-\lastskip\special{matplotlibbaselinemarker}%",
            r"\end{document}",
        ])
Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,6 +8,7 @@
		from matplotlib.testing import _has_tex_package
		from matplotlib.testing.decorators import check_figures_equal, image_comparison
		from matplotlib.testing._markers import needs_usetex
		from matplotlib.texmanager import TexManager
		import matplotlib.pyplot as plt


Expand DownExpand Up		@@ -138,3 +139,10 @@ def test_missing_psfont(fmt, monkeypatch):
		ax.text(0.5, 0.5, 'hello')
		with TemporaryFile() as tmpfile, pytest.raises(ValueError):
		fig.savefig(tmpfile, format=fmt)


		def test_ends_with_displaymath():
		# Check that we do not include extra vspace after displaymath.
		text = r'\begin{eqnarray} foo \\ bar \end{eqnarray}'
		w, h, d = TexManager().get_text_width_height_descent(text, 12)
		assert d == 0 # no extra descent on the last line.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -231,7 +231,7 @@ def _get_tex_source(cls, tex, fontsize):
		rf"\fontsize{{{fontsize}}}{{{baselineskip}}}%",
		r"\ifdefined\psfrag\else\hbox{}\fi%",
		rf"{{\obeylines{fontcmd} {tex}}}%",
		r"\special{matplotlibbaselinemarker}%",
		r"\vskip-\lastskip\special{matplotlibbaselinemarker}%",
		r"\end{document}",
		])

Expand Down