Add test for issue #297

h/t @prgx-csmith01 for providing the PDF

tests/pdfs/issue-297-example.pdf

@@ -0,0 +1,47 @@
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+/Title (IntMetadata)
+%%Postscript (OFF)
+/Copies 0
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+/Resources <<
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+/MediaBox [ 0 0 612 792 ]
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+0000000250 00000 n 
+trailer
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+/Size 5
+/Root 4 0 R
+/Info 2 0 R
+>>
+startxref
+299
+%%EOF