Merge pull request matplotlib#17255 from anntzer/epsusetex

FIX: eps + usetex combo.

Author: tacaswell

lib/matplotlib/texmanager.py

@@ -208,8 +208,11 @@ def make_tex(self, tex, fontsize):
 %s
 \pagestyle{empty}
 \begin{document}
-%% The empty hbox ensures that a page is printed even for empty inputs.
-\fontsize{%f}{%f}\hbox{}%s
+%% The empty hbox ensures that a page is printed even for empty inputs, except
+%% when using psfrag which gets confused by it.
+\fontsize{%f}{%f}%%
+\ifdefined\psfrag\else\hbox{}\fi%%
+%s
 \end{document}
 """ % (self._get_preamble(), fontsize, fontsize * 1.25, fontcmd % tex),
             encoding='utf-8')