On Mon, July 30, 2007 9:10 am, Don Jungk wrote:
>
>>
>> > I call this the correct way because I worked as a typesetter and in
>> > printing
>> > plants for more than 30 years and type size has never been measured
>> > from the
>> > baseline.
>>
>> It's been measured from baseline for 23 years on computers, and when
>> *I* worked with typesetting, type height was always measured baseline-
>> to-ascender.
>
> Well, not in the professional printing and publishing world it isn't. When
> PageMaker first came out in what, around 1985, they followed the printing
> convention of measuring the "slug", i.e. the distance from descender to
> ascender. Quark, which became the industry standard typesetting program by
> 1991 has also followed this procedure. I can't find any program (except
> RB)
> that measures type sizes from the base line. Can you name one?
Mac OS, Mac OS X, Microsoft Windows, Word, WriteNow, AppleWorks, PageMaker
(in spite of what you believe), Quark, Internet Explorer, Safari, Firefox,
Microsoft Works...
Shall I go on?
Don't forget that there is one-to-two pixels of "extra space" at the top
of ASCII roman characters that are used in "non-ASCII" languages, for
example there are several variations on capital "A" in European languages
(Danish and Spanish come to mind) that use the additional pixels at the
top of the character cell to display the accent. Therefore, in a 12-point
font, the Ascender is 12 points, the descender is (usually) 2 points, but
a capital "A" only extends about 10 points above the baseline (to leave
room for any accented capital letters).
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