Fwd: [dita-comment] Limitations for attribute specialization

FYI; I'll put this on tomorrow's TC meeting agenda.
Best, Kris Kristen James Eberlein Chair, OASIS DITA Technical Committee OASIS Distinguished Contributor Principal consultant, Eberlein Consulting LLC www.eberleinconsulting.com +1 919 622-1501; kriseberlein (skype)

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Forwarded Message

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Subject: [dita-comment] Limitations for attribute specialization
Date: Mon, 14 Jun 2021 11:49:37 +0000
From: Stefan Eike <>
To:  <> Dear honourable DITA committee, I ve added a new attribute (type) to a specialized element. This attribute is not specialized, it s just added as shown below. My question now is: Is this allowed? I mean, technically this is no problem and this can be processed with the DITA-OT and the PDF2 plugin (and others). I ve read these sections: Overview of specialization , Specialization rules for attributes , RELAX NG: Coding requirements for attribute domain modules I could not find a statement saying something like If you add an attribute, it must be added as a specialized attribute . Do I violate the specification and should I feel bad? <define name = tv.attributes > <ref name = univ-atts-translate-no /> <optional> <attribute name = name a:defaultValue = tv /> </optional> <optional> <attribute name = datatype /> </optional> <optional> <attribute name = value /> </optional> <optional> <attribute name = href /> </optional> <optional> <attribute name = keyref /> </optional> <optional> <attribute name = format /> </optional> <attribute name = type > <choice> <value> A </value><a:documentation> Ampere </a:documentation> <value> Ah </value><a:documentation> Ampere hour </a:documentation> <value> Bq </value><a:documentation> Becquerel </a:documentation> <value> F </value><a:documentation> Farad </a:documentation> <value> Gy </value><a:documentation> Gray </a:documentation> <value> H </value><a:documentation> Henry </a:documentation> <value> Hz </value><a:documentation> Hertz </a:documentation> <value> J </value><a:documentation> Joule </a:documentation> <value> K </value><a:documentation> Kelvin </a:documentation> <value> L </value><a:documentation> Liter </a:documentation> <value> N </value><a:documentation> Newton </a:documentation> <value> Pa </value><a:documentation> Pascal </a:documentation> <value> S </value><a:documentation> Siemens </a:documentation> <value> Sv </value><a:documentation> Sievert </a:documentation> <value> T </value><a:documentation> Tesla </a:documentation> <value> V </value><a:documentation> Volt </a:documentation> <value> W </value><a:documentation> Watt </a:documentation> <value> Wb </value><a:documentation> Weber </a:documentation> <value> bar </value><a:documentation> Bar </a:documentation> <value> cd </value><a:documentation> Candela </a:documentation> <value> cm </value><a:documentation> Centimeter </a:documentation> <value> cm </value><a:documentation> Square Centimeter </a:documentation> <value> dB(A) </value><a:documentation> A-weighted decibels </a:documentation> <value> g </value><a:documentation> Gram </a:documentation> <value> g/h </value><a:documentation> Gram per hour </a:documentation> <value> h </value><a:documentation> Hour </a:documentation> <value> kWh </value><a:documentation> Kilowatt-hour </a:documentation> <value> kat </value><a:documentation> Katal </a:documentation> <value> kg </value><a:documentation> Kilogram </a:documentation> <value> km </value><a:documentation> Kilometer </a:documentation> <value> km/h </value><a:documentation> Kilometer per hour </a:documentation> <value> lm </value><a:documentation> Lumen </a:documentation> <value> lx </value><a:documentation> Lux </a:documentation> <value> m </value><a:documentation> Meter </a:documentation> <value> mm </value><a:documentation> Millimeter </a:documentation> <value> mm </value><a:documentation> Square Millimeter </a:documentation> <value> mol </value><a:documentation> Mole </a:documentation> <value> rad </value><a:documentation> Radian </a:documentation> <value> s </value><a:documentation> Second </a:documentation> <value> sr </value><a:documentation> Steradian </a:documentation> <value> t </value><a:documentation> Ton </a:documentation> <value> </value><a:documentation> Degree </a:documentation> <value> C </value><a:documentation> Degree Celsius </a:documentation> <value> Î </value><a:documentation> Ohm </a:documentation> </choice> </attribute> <attribute name = sign a:defaultValue = + > <choice> <value> + </value><a:documentation> Plus (positive number) </a:documentation> <value> </value><a:documentation> Minus (negative number) </a:documentation> <value> </value><a:documentation> Plus-Minus </a:documentation> <value> < </value><a:documentation> Lower-than </a:documentation> <value> > </value><a:documentation> Greater-than </a:documentation> </choice> </attribute> <optional> <attribute name = show-unit a:defaultValue = yes > <choice> <value> yes </value> <value> no </value> </choice> </attribute> </optional> <optional> <attribute name = system a:defaultValue = si > <choice> <value> si </value><a:documentation> International System of Units </a:documentation> <value> imperial </value><a:documentation> Imperial System </a:documentation> <value> si+imperial </value><a:documentation> SI + Imperial </a:documentation> </choice> </attribute> </optional> <optional> <attribute name = scope > <choice> <value> external </value> <value> local </value> <value> peer </value> <value> -dita-use-conref-target </value> </choice> </attribute> </optional> <optional> <attribute name = outputclass /> </optional> </define> Thanks a lot in advance Stefan Stefan Eike Head of Technical Documentation Phone +49 (0)2572 879 279 Cell +49 (0) 172 8843770 
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