Re: Bug#995392: ghostscript: ps2pdf trashes some characters
On 2021-10-12 01:27:22 +0900, Norbert Preining wrote:
> > > /usr/bin/ps2pdf chartest3.pdf out.pdf
>
> Honestly, feeding PDF into "ps2pdf" is something new, and I am not
> surprised that this does not work.
I don't understand what you mean by "something new". This has been
mentioned for many years (either with gs directly, or via the ps2pdf
wrapper):
https://stackoverflow.com/questions/5296667/pdftk-compression-option
https://stackoverflow.com/questions/10450120/optimize-pdf-files-with-ghostscript-or-other
https://askubuntu.com/questions/113544/how-can-i-reduce-the-file-size-of-a-scanned-pdf-file
https://askubuntu.com/questions/207447/how-to-reduce-the-size-of-a-pdf-file
https://askubuntu.com/questions/589862/how-to-compress-more-than-one-at-a-time-pdf-files-from-terminal
etc.
> The description clearly states
> ps2pdf - Convert PostScript to PDF using ghostscript
> PDF is **not** PostScript.
The description has not been updated. The gs description is clearer:
gs - Ghostscript (PostScript and PDF language interpreter and
previewer)
> Can you explain me what are you trying to do?
Compress PDF files, in particular by converting Type 1 fonts
to Type 1C fonts and including only glyphs that are used,
instead of the full fonts.
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