Bug#988451: file: Latex source files with directives detected as Postscript

[Hilmar Preuße]

Am 13.05.2021 um 11:49 teilte JCGoran mit:

Hi,

Latex source files which start with `%!` (usually used to specify directives,
as described here: https://tex.stackexchange.com/q/78101) are detected as
`PostScript document text`, mime type `application/postscript`, rather than
`text/x-tex` or similar.
The following (valid) Latex code shows the problem:
Same here for a TeX font metric file:

Hilmar

[1] https://en.wikipedia.org/wiki/List_of_file_signatures
--
sigfault

hille@sid-amd64:/usr/share/texlive/texmf-dist/fonts/tfm/production/spectral$ file /usr/share/texlive/texmf-dist/fonts/tfm/production/spectral/Spectral-ExtraBoldItalic-lf-ly1.tfm /usr/share/texlive/texmf-dist/fonts/tfm/production/spectral/Spectral-ExtraBoldItalic-lf-ly1.tfm: PostScript document text The file too starts with "%!". According to [1] the magic byte for Postscript is "%!PS". So the check is not strict enough to rule out false positives.

OpenPGP_signature
Description: OpenPGP digital signature