[File] [PATCH] Magdir/frame FrameMaker MML; mime type and extension

[Christos Zoulas]

Committed, thanks!

christos

> On Dec 7, 2023, at 7:40 PM, Jörg Jenderek (GMX) <joerg.jen.der.ek at gmx.net> wrote:
> 
> Hello,
> 
> some days ago i must handles some old software samples from Adobe
> Framemaker. One file sort have file name suffix MML.
> 
> So i look on my systems for such files. When running file command
> version 5.45 on such samples i get an output like:
> 
> chapfmt.mml: FrameMaker MML file
> chaptxt.mml: FrameMaker MML file
> formats.mml: FrameMaker MML file
> sample.mml:  FrameMaker MML file
> 
> With option --extension only 3 byte sequence ??? is shown and with -i
> option application/x-mif is shown.
> 
> For comparison reason i run the file format identification utility
> TrID ( See https://mark0.net/soft-trid-e.html). My MML samples are
> described as "FrameMaker Maker Markup Language" by mml-fm.trid.xml.
> Here now application/vnd.framemaker mime type is shown. For file name
> suffix mml is shown (See appended trid-v-mml.txt.gz).
> 
> For comparison reason i also run the file format identification
> utility DROID ( See https://sourceforge.net/projects/droid/). This
> identifies no examples.
> 
> On Linux according to shared MIME-info database such samples are called
> "Adobe FrameMaker document". Here also application/vnd.framemaker is
> used as mime type and no file name suffix is shown. The samples are just
> recognized by looking for 4 byte sequence <MML at the beginning. That
> information can be seen in source freedesktop.org.xml.in found for
> example on gitlab.freedesktop.org.
> 
> That informations are now expressed by comment line inside Magdir/frame
> like:
> # Reference:	http://mark0.net/download/triddefs_xml.7z
> #		defs/m/mml-fm.trid.xml
> The description happens by lines inside Magdir/frame like:
> 0	string		\<MML		FrameMaker MML file
> !:mime	application/x-mif
> 
> So this now becomes like:
> 0	string		\<MML		FrameMaker MML file
> >5	string		>0		 (%-0.4s)
> !:mime	application/vnd.framemaker
> !:ext	mml
> 
> In 2 of my examples (formats.mml sample.mml) after that directive comes
> a space character and a version string like 1.00 and more text. But in 2
> of my examples (chapfmt.mml chaptxt.mml) the directive is terminated by
> greater sign and end of line. So now show version information if available.
> 
> After applying the above mentioned modifications by patch
> file-5.45-mml-bfont.diff then all my inspected samplesare still
> described but now also possible version inforation is shown. This now
> looks like:
> 
> chapfmt.mml: FrameMaker MML file
> chaptxt.mml: FrameMaker MML file
> formats.mml: FrameMaker MML file (1.00)
> sample.mml:  FrameMaker MML file (1.00)
> 
> I hope my diff file can be applied in future version of file
> utility.
> 
> With best wishes,
> Jörg Jenderek
> --
> Jörg Jenderek
> <trid-v-mml.txt.gz><file-5_45-frame-mml_diff.DEFANGED-0><file-5_45-frame-mml_diff_sig.DEFANGED-1>-- 
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