Posted PaceTextRules

[Graham <dtcd@xxxxxxx>]

http://www.intertwingly.net/wiki/pie/PaceTextRules

-Abstract

Tighten up rules on processing text to ensure interop between apps

-Status

Open

-Rationale

Plain text may be interpreted and displayed in various different ways. 
Similarly text in the source may be formatted in many different ways. 
Clear rules are required to remove the possibility of disputes between 
publishers to avoid disputes over how text is formatted in the source 
and how it is displayed.

-Proposal

Add "xml:space attributes appearing on Text constructs or their parents 
MAY be ignored by processors" to 3.1 Text Constructs.

 Replace "Thus, software MAY display it using normal text rendering 
techniques such as proportional fonts, white-space collapsing, and 
justification." with "Software displaying this text SHOULD remove 
white-space at the beginning and end; collapse white-space between 
words; and disregard line break, tab and other formatting characters." 
in 3.1.1 (TEXT).

 Add "xml:space directives appearing on atom:content or its parents MAY 
be ignored by processors" to 4.15 atom:content.

 Replace "Thus, software MAY display it using normal text rendering 
techniques such as proportional fonts, white-space collapsing, and 
justification." with "Software displaying this text SHOULD remove 
white-space at the beginning and end; collapse white-space between 
words; and disregard line break, tab and other formatting characters." 
in 4.15.3 (TEXT).

-Impacts

None

-Notes

Some formal definition of whitespace etc may be needed.

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