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[CSS21] Remove some old bolder/lighter text that disagrees with new

From: L. David Baron <dbaron@dbaron.org>
Date: Tue, 10 Jun 2008 14:49:43 -0700
To: www-style@w3.org
Message-ID: <20080610214943.GA30348@pickering.dbaron.org>

In CSS 2.1 we added the text:
  # The computed value of "font-weight" is either:
  #    * one of the legal number values, or
  #    * one of the legal number values combined with one or more of
  #      the relative values (bolder or lighter). This type of
  #      computed values is necessary to use when the font in
  #      question does not have all weight variations that are
  #      needed.
  # CSS 2.1 does not specify how the computed value of font-weight
  # is represented internally or externally.

This text explains how the computed value of 'font-weight' works to
yield the next-bolder or next-lighter face within the font family,
even when the font family actually used to render a character can
depend on what the character is (and whether the font has it).

This disagrees with some existing text that is held over from CSS1.
We should remove the following parts of the bullets in the previous
unordered list:

  (from the 'bolder' bullet)
  # If there is no such weight, it simply results in the next darker
  # numerical value (and the font remains unchanged), unless the
  # inherited value was '900' in which case the resulting weight is
  # also '900'.

  (from the 'lighter' bullet)
  # , unless there is no such font, in which case it selects the
  # next lighter numerical value (and keeps the font unchanged)

These are incorrect (and don't make any sense anyway, since it's not
possible to do the computation that it describes, since there are
multiple font families involved).


L. David Baron                                 http://dbaron.org/
Mozilla Corporation                       http://www.mozilla.com/
Received on Tuesday, 10 June 2008 21:50:19 UTC

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