acroread 9.5.5 (linux) shows binary garbadge after page numbers
Harald Koenig
harald at mailbox.org
Fri Aug 20 11:45:46 CEST 2021
Hi TL team,
I just notice that with TL-2021 pdflatex, I see binary garbage after page numners (see upper left in attached screenshot).
looking into the PDFs generated by TL-20 and TL-21 I see:
---8<--- TL-20 ---8<------8<------8<------8<------8<---
/PageLabels <<
/Nums [
0
<<
/P (1)
>>
1
<<
/P (2)
>>
---8<--- TL-21 ---8<------8<------8<------8<------8<---
/PageLabels <<
/Nums [
0
<<
/P <feff0031>
>>
1
<<
/P <feff0032>
>>
---8<------8<------8<------8<------8<------8<---
so the new byte order mark are part of that problem (and of course crappy old and broken acroread for linux:-(
I also find byte order marks in some but not all of the PDF metadata (and only there and page numbers):
72 0 obj
<<
/Author <feff00200048006100720061006c00640020004b00f6006e006900670020>
/CreationDate (D:20210820105934+02'00')
/Creator <feff004c0061005400650058002000770069007400680020004200650061006d0065007200200063006c006100730073>
/Keywords ()
/ModDate (D:20210820105934+02'00')
/PTEX.Fullbanner (This is pdfTeX, Version 3.141592653-2.6-1.40.23 \(TeX Live 2021\) kpathsea version 6.3.3)
/Producer (pdfTeX-1.40.23)
/Subject ()
/Title <feff005300480045004...
/Trapped /False
>>
endobj
"fun" fact aside: acroread correctly displays the Author and Title in document properties:-(
so my more generic questions:
- why are byte order marks inserted for some trival 7-bit-ASCII strings like page numbers (1) (2) (3) etc ?
here they're not needed for sure -- author names and titles are a different story of course...
- why do some PDF metadata not have byte order marks ?
- is this a problem for other PDF tools/viewers too ?
thanks for any comments (other than "don't use acroread" ;-)
at least for now I can continue using TL-20,
and I think about writing a small PDF editing/hacking script using
sed 's/ <feff/ </g'
;-)
Harald
--
"I hope to die ___ _____
before I *have* to use Microsoft Word.", 0--,| /OOOOOOO\
Donald E. Knuth, 02-Oct-2001 in Tuebingen. <_/ / /OOOOOOOOOOO\
\ \/OOOOOOOOOOOOOOO\
\ OOOOOOOOOOOOOOOOO|//
\/\/\/\/\/\/\/\/\/
Harald Koenig // / \\ \
harald.koenig at mailbox.org ^^^^^ ^^^^^
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