@@ -53,7 +53,8 @@ def _get_preamble():
5353 r"\def\mathdefault#1{#1}" ,
5454 # Use displaystyle for all math.
5555 r"\everymath=\expandafter{\the\everymath\displaystyle}" ,
56- # Allow pgf.preamble to override the above definitions.
56+ # Allow pgf.documentclass and pgf.preamble to override the above definitions.
57+ _get_documentclass (),
5758 mpl .rcParams ["pgf.preamble" ],
5859 * ([
5960 r"\ifdefined\pdftexversion\else % non-pdftex case." ,
@@ -200,7 +201,6 @@ class LatexManager:
200201 @staticmethod
201202 def _build_latex_header ():
202203 latex_header = [
203- _get_documentclass (),
204204 _get_preamble (),
205205 # Include TeX program name as a comment for cache invalidation.
206206 # TeX does not allow this to be the first line.
@@ -832,7 +832,6 @@ def print_pdf(self, fname_or_fh, *, metadata=None, **kwargs):
832832 "\n " .join ([
833833 r"\PassOptionsToPackage{pdfinfo={%s}}{hyperref}" % pdfinfo ,
834834 r"\PassOptionsToPackage{%s}{geometry}" % geometry_options ,
835- _get_documentclass (),
836835 _get_preamble (),
837836 r"\usepackage{hyperref}" ,
838837 r"\usepackage{geometry}" ,
@@ -946,7 +945,6 @@ def _write_header(self, width_inches, height_inches):
946945 latex_header = "\n " .join ([
947946 r"\PassOptionsToPackage{pdfinfo={%s}}{hyperref}" % pdfinfo ,
948947 r"\PassOptionsToPackage{%s}{geometry}" % geometry_options ,
949- _get_documentclass (),
950948 _get_preamble (),
951949 r"\usepackage{hyperref}" ,
952950 r"\usepackage{geometry}" ,
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