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\font\2=bchr8t
%\font\2=bchr8r
\pdfcompresslevel=0
\pdfobjcompresslevel=0
\pdfmapfile{}
\pdfmapline{+cmr10 CMR10 <cmr10.pfb}
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\pdfmapline{+bchr8r+20 CharterBT-Roman " 1.020 ExtendFont TeXBase1Encoding ReEncodeFont " <8r.enc <bchr8a.pfb}
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\pdffontexpand\1 100 100 5 %autoexpand
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\1 ABC

\2 This is a paragraph with font expansion.
\end
