[xep-support] Support of special types of spaces

[Broberg, Mats]

Best regards / Vänlig hälsning,
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Mats Broberg
Technical Documentation Manager

FLIR Systems AB
P.O. Box 3
SE-182 11 Danderyd, Sweden
Telephone: +46 8 753 26 84 (direct)
Telephone: +46 8 753 25 00 (switchboard)
Telefax: +46 8 753 23 64
www.flirthermography.com
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> -----Original Message-----
> From: owner-xep-support at renderx.com 
> [mailto:owner-xep-support at renderx.com] On Behalf Of Carlos Villegas
> Sent: den 19 oktober 2005 12:05
> To: xep-support at renderx.com
> Subject: Re: [xep-support] Support of special types of spaces
> 
> I agree.
> 
> However, some of these typographical spaces had a very 
> specific purpose. 
> For example the space between a word and a specific 
> punctuation mark. In this case, the font designer has already 
> taken care of it and there should be no space at all before 
> punctuation marks. If necessary the formatter should use 
> information inside the font such as kerning to alter those 
> spaces depending on context.
> 
> Nevertherless, high quality typesetting still requires 
> specific spaces in certain contexts that are impossible for 
> the formatter to determine reliably. For example, those 
> depending on semantics, I can't think of an example now but 
> I'm aware that there are cases when reading about typography 
> and TeX, for instance. In those cases, human intervention is 
> required, in this case in the form of XML tagging. That's why 
> we need support in the formatter to specify those spaces 
> using the same terms of traditional typography. That's the 
> reason they were included in Unicode after all. Notice also 
> that even if space between words is allowed to vary we still 
> need some spaces in some cases to remain fixed. For example 
> the space in "Fig. 1", a non-breakable space of a specific 
> width probably accounted for in high quality typography.
> 
> As David said you can get around using fo:leader but as you 
> said also it will be more convenient if the formatter handled 
> those spaces directly.
> 
> My 2 cents...
> 
> Carlos
> 
> Broberg, Mats wrote:
> > David,
> > 
> > Not quite true.
> > 
> > The reason typographic spaces still exist has nothing 
> whatsoever to do 
> > with the fact that they were once cast in lead. They would have 
> > appeared in any technology, because fine typesetting requires fixed 
> > spaces. And they are still there, because users need them. 
> Perhaps not 
> > the average MS Word users, but typesetters.
> > 
> > Using entities is a detour for the typesetter and the 
> standard should 
> > offer the typesetter to enter fixed spaces as any other type of 
> > character. One of the very ideas with a new technology is that it 
> > should exceed the level of precision or quality as the one it 
> > supersedes - and it should do that faster and easier. Not 
> the opposite.
> > 
> > Best regards,
> > Mats Broberg
> > Technical Documentation Manager
> > 
> > www.flirthermography.com
> > 
> > 
> > 
> > 
> >>-----Original Message-----
> >>From: owner-xep-support at renderx.com
> >>[mailto:owner-xep-support at renderx.com] On Behalf Of David Tolpin
> >>Sent: den 19 oktober 2005 10:21
> >>To: xep-support at renderx.com
> >>Subject: Re: [xep-support] Support of special types of spaces
> > 
> > 
> >>The only reason typographic spaces exist is that they were cast in 
> >>lead. It's legacy, it results in poor typography, and 
> creates problems 
> >>which are hard to resolve (typographically, not 
> programmatically). For 
> >>good typography, define entities of appropriate names and 
> map them to 
> >>space-filled leaders of appropriate lengths -- and use them 
> for truly 
> >>good typography.
> >>
> >>David
> > 
> > 
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