- From: C M Sperberg-McQueen <cmsmcq@uic.edu>
- Date: Wed, 2 Sep 1998 16:53:10 -0500
- To: wes_munsil@csgsystems.com
- CC: xml-editor@w3.org, cmsmcq@uic.edu
>Date: Wed, 02 Sep 1998 15:36:34 -0600 >From: Wes Munsil <wes_munsil@csgsystems.com> >Thank you. Would this then represent an error in the prose of the >specification? > >C M Sperberg-McQueen wrote: > >> >Date: Wed, 02 Sep 1998 11:10:35 -0600 >> >From: Wes Munsil <wes_munsil@csgsystems.com> >> >> >Section 2.2 says, " Legal characters are tab, carriage return, line >> >feed, and the legal graphic characters of Unicode and ISO/IEC 10646." >> >But production [2] for Char allows characters in the range >> >[#x20-#xD7FF], which includes #x7F (ASCII DEL), which I did not think >> >was a "graphic" character. >> > >> >Is DEL a valid Char, or not? >> > >> >Thank you. >> >> I believe the answer is: Trust the grammar, not the prose. Yes, it's >> valid. >> >> -C. M. Sperberg-McQueen >> Senior Research Programmer, University of Illinois at Chicago >> cmsmcq@uic.edu It is at least a trouble spot. There are a great many characters in the range #x20 to #xD7FF which are not defined graphic characters in Unicode; I believe the prose in the spec is a survival from a period when XML processors were required to ensure that characters used were legal Unicode characters. -C. M. Sperberg-McQueen Senior Research Programmer, University of Illinois at Chicago
Received on Wednesday, 2 September 1998 17:55:15 UTC