Re: [xep-support] Support of special types of spaces

On 19-Oct-05, at 9:08 AM, David Tolpin wrote:
>> for starters, it's an abuse of the leader object.
>
> It's what the leader object is for.

It is not a typical use for leader objects.

>> The thin space is used to separate digit groups in numbers with
>> five or more digits. It is a hard space, narrower than the word
>> space, and will not be adjusted in width when trying to achieve
>> justification. Thin spaces are part of the System International
>> specification: using commas between digits is passé.
>
> This one is not in many fonts, and its width is font-dependent.

Its width is *supposed* to be font-dependent. Whether it's in many
fonts or not is irrelevant.

>> En and em spaces find modern use in providing a bit less/extra
>> space when emphasizing the separation of an element from its
>> group, while still maintaining the visual cohesion of the whole
>> group.
>>
>> Hair spaces are to be used on either side of an em dash.
>
> This one is not in many fonts, and its width is font-dependent.

Again, its width is *supposed* to be font-dependent. Whether it's in
many fonts or not is irrelevant.

>> I believe Mats is absolutely correct in requesting that XEP
>> recognize and honour the various types of spaces.
>
> I believe that Mats does not request that, but instead that the XSL
> recommendation specify how to handle them; because XEP is
> conforming now. And, in turn, I believe that not providing special
> handling for typographical spaces is a good thing.

All XEP has to do is accept that several forms of space are fixed-
width, and thus should not be subject to variation due to
justification. The spaces can be inserted using entity names or
unicode character values.

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Received on Wed Oct 19 10:35:18 2005