[File] [PATCH] Magdir/wordprocessors for Aldus/Adobe PageMaker

Mon Dec 6 15:06:08 UTC 2021

Committed, thanks!

christos

> On Nov 27, 2021, at 4:12 PM, Jörg Jenderek <joerg.jen.der.ek at gmx.net> wrote:
> 
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> Hello,
> 
> some times ago i installed an older Aldus PageMaker software.
> The documents and templates are files with file name extensions
> like PM4 PM5 PM6 P65 PMD PT3 PT6 T65 PMT.
> 
> When running file command version 5.41 on such documents all are
> described as "data".
> 
> For comparison reason i run the file format identification utility
> TrID ( See https://mark0.net/soft-trid-e.html). This identifies the
> "middle aged" examples like BCOMDOC2.PM4 as "Aldus PageMaker document
> (v4)" by pm4-pagemaker.trid.xml and example Mytest5.PM5 as "Aldus
> PageMaker document (v5)" by pm5-pagemaker.trid.xml (See appended
> trid-v-pagemaker.txt.gz ). This mentions page on Wikipedia and used
> file name extension.
> Luckily i also found a page about PageMaker on file formats archive
> team web site. That informations are expressed by comment lines
> inside Magdir/wordprocessors like:
> # URL:		http://fileformats.archiveteam.org/wiki/PageMaker
> #		https://en.wikipedia.org/wiki/Adobe_PageMaker
> # Reference:	http://mark0.net/download/triddefs_xml.7z/defs/p
> #		pm4-pagemaker.trid.xml
> #		pm5-pagemaker.trid.xml
> 
> Unfortunately the documentation is neither official nor complete. So
> i put displaying part inside sub routine PageMaker.
> 
> At the end according to documentation the numeric version (like: 4 5
> 6 6.50) is shown by lines like:
> 
> #>110	uleshort	x		\b, VERSION=%#x
>> 110	uleshort	>0x03FF
>>> 110	uleshort/256	x		\b, version %u
>>> 110	uleshort%256	>0		\b.%u
>> 110	uleshort	<0x0400		\b, maybe version 3
> 
> 
> Unfortunately for version 3 examples the mentioned numeric version
> is zero and for version 7 the numeric value is 6.50 as for version 6.
> 5.
> 
> - From version part some sub classification are depending. It started
> as Aldus PageMaker, but later (since version 6) it was acquired from
> Adobe. So these different names are expressed by subroutine
> starting like:
> 0	name		PageMaker
>> 110	uleshort	<0x0600			Aldus
>> 110	uleshort	>0x05FF			Adobe
>> 110	uleshort	x			PageMaker
> !:mime		application/vnd.pagemaker
> 
> Depending from version are the used file name extensions and the
> APPLE creator and type mentioned on page about signatures of
> Macintosh Files on web site macdisk.com. So for version 3 this
> looks like:
>> 110		uleshort/256	=0		document
> !:apple	ALB3ALD3
> !:ext		pm3/pt3
> The PT3 extension is used for templates. Nothing is mentioned in
> documentation if it is possible to distinguish template from pure
> document.
> 
> For major version 6 there exist 2 variants 6 and 6.5. So this look
> a little bit different like:
>> 110	uleshort	=0x0600			document
> !:apple	ALD6ALB6
> !:ext	pm6/pt6
>> 110	uleshort	=0x0632			document
> !:apple	AD65AB65
> !:ext	p65/t65/pmd/pmt
> 
> According to documentation PageMaker documents begin with the hex
> values "FF 99" at offset 6 for little endian and according to TrID
> for version 4 and 5 the prepending bytes are nil. That is what i
> found in my examples, but in version 3 samples only 2 byte before
> are nil. So this is used as test by starting lines like:
> 4	ubelong		=0x0000FF99
>> 0	use		PageMaker
> Most of my inspected samples are little endian, but i least i was
> able to extract one big endian example Templates-3-BE.pt3. There
> byte order is changed. So that example with inverted logic is
> described by additional lines like:
> 4	ubelong		=0x000099FF
>> 0	use		\^PageMaker
> 
> After applying the above mentioned modifications by patch
> file-5.41-wordprocessors-pagemaker.diff then all my inspected
> PageMaker documents are now described. This now looks like:
> 
> 02TEMPLT-stream.T65:       Adobe PageMaker document,
> 			   little-endian, version 6.50
> BCOMDOC2.PM4:              Aldus PageMaker document,
> 			   little-endian, version 4
> MyPage6-stream.PM6:        Adobe PageMaker document,
> 			   little-endian, version 6
> Mytest5.PM5:               Aldus PageMaker document,
> 			   little-endian, version 5
> SPECSHT.PT3:               Aldus PageMaker document,
> 			   little-endian, maybe version 3
> Templates-3-BE.pt3:        Aldus PageMaker document,
> 			   big-endian, maybe version 3
> brochus-stream.pt6:        Adobe PageMaker document,
> 			   little-endian, version 6
> pm-70-stream.pmd:          Adobe PageMaker document,
> 			   little-endian, version 6.50
> pm-70-template-stream.pmt: Adobe PageMaker document,
> 			   little-endian, version 6.50
> strategies-stream.p65:     Adobe PageMaker document,
> 			   little-endian, version 6.50
> 
> I hope my diff file can be applied in future version of file utility.
> 
> Since version 6 such documents are embedded inside Compound
> Documents. So such examples must be handled by modifications of
> Magdir/ole2compounddocs. I will try to do this in a future session.
> 
> With best wishes
> Jörg Jenderek
> - --
> Jörg Jenderek
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