Problem with "packed" and "\space" / "broad" and "/nospace"

Problem with "packed" and "\space" / "broad" and "/nospace"

[Bernd Kosubek]

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Hallo all!

The following lines demonstrates my problem:

{
  \setupspacing[packed]
  \startalignment[right]
    xxxx xxxx.
    yyyy yyyy yyyy yyyy.
    zzzz zzzz zzzz zzzz.

    xxxx xxxx.
    yyyy yyyy yyyy yyyy.\space{}
    zzzz zzzz zzzz zzzz.
  \stopalignment
}

{
  \setupspacing[broad]
  \startalignment[right]
    xxxx xxxx.
    yyyy yyyy yyyy yyyy.
    zzzz zzzz zzzz zzzz.

    xxxx xxxx.
    yyyy yyyy yyyy yyyy.\nospace{}
    zzzz zzzz zzzz zzzz.
  \stopalignment
}
\stoptext

In my mind, the first line should be the shortest (no 
additional spacing).
 
The length of the second line must be longer (additional 
spacing after the second sentence).

The length of the third line must be longer than that of the 
second line (additional spacing between every sentence).

And the fourth line must be shorter than the third line 
(same length as the first line).

If I run "texexec" over this, the last three line are longer 
than the first line AND they have the same lengths.

What have I not understand -- or is it a known problem or a 
bug?

- -- 
Bernd Kosubek

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Re: Problem with "packed" and "\space" / "broad" and "/nospace"

[Wolfgang Schuster]

Am 23.02.2009 um 21:52 schrieb Bernd Kosubek:

> If I run "texexec" over this, the last three line are longer
> than the first line AND they have the same lengths.
>
> What have I not understand -- or is it a known problem or a
> bug?

You get what you write.

2. Sentence: \space{} = 2 spaces because of the {}

3. Sentence: Wide than the first sentence because of the disabled  
frenchspacing

4. Sentence: You write \nospace but insert a space with {}

Wolfgang
  
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Re: Problem with "packed" and "\space" / "broad" and "/nospace"

[Wolfgang Schuster]

Am 23.02.2009 um 22:35 schrieb Bernd Kosubek:

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> Hash: SHA1
>
> Am Montag, 23. Februar 2009 21:56 schrieb Wolfgang Schuster:
>> Am 23.02.2009 um 21:52 schrieb Bernd Kosubek:
>>> If I run "texexec" over this, the last three line are
>>> longer than the first line AND they have the same
>>> lengths.
>>>
>>> What have I not understand -- or is it a known problem
>>> or a bug?
>>
>> You get what you write.
>>
>> 2. Sentence: \space{} = 2 spaces because of the {}
>>
>> 3. Sentence: Wide than the first sentence because of the
>> disabled frenchspacing
>>
>> 4. Sentence: You write \nospace but insert a space with
>> {}
>
> Thank You for the quick answer.
>
> I don't  understand where the second space should be come
> from.
> I use the empty group "{}" always to separate optionless
> commands.
>
> I think it is the same whether I write:
>
> xxxx. yyyy. or
> xxxy.{} yyyy. or
> xxxx.
> yyyy. or
> xxxx.{}
> yyyy.
>
> If I use
>
> xxxx.\space yyyy or xxxx.\space{} yyyy
>
> the first \space produce NO space (that is not what I wish)

Nonsense, the first \space produce a space and the whitespace
in the input between \space and yyyy is gobbled from the macro.

The empty group after the second space prevents TeX from gobbling
the space and you get now one space from the \space command and
another one from the whitespace in the output.

> I suppose, that the empty group has no effect.
> The following space will be printed and THIS space should be
> smaller in an broad-environment if I use \nospace or larger
> in an packed-environment if I use \space.

You need a empty group to get a space after commands like \TeX
because the command gobbles otherwise all following whitespace.

Try the following example:

text\relax text\space text\space{}\space{}\space{}\space text

Wolfgang

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Re: Problem with "packed" and "\space" / "broad" and "/nospace"

[Bernd Kosubek]

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Am Montag, 23. Februar 2009 21:56 schrieb Wolfgang Schuster:
> Am 23.02.2009 um 21:52 schrieb Bernd Kosubek:
> > If I run "texexec" over this, the last three line are
> > longer than the first line AND they have the same
> > lengths.
> >
> > What have I not understand -- or is it a known problem
> > or a bug?
>
> You get what you write.
>
> 2. Sentence: \space{} = 2 spaces because of the {}
>
> 3. Sentence: Wide than the first sentence because of the
> disabled frenchspacing
>
> 4. Sentence: You write \nospace but insert a space with
> {}
>
> Wolfgang

Thank You for the quick answer.

I don't  understand where the second space should be come 
from.
I use the empty group "{}" always to separate optionless 
commands.

I think it is the same whether I write:

xxxx. yyyy. or
xxxy.{} yyyy. or
xxxx.
yyyy. or
xxxx.{}
yyyy.

If I use

xxxx.\space yyyy or xxxx.\space{} yyyy

the first \space produce NO space (that is not what I wish)

I suppose, that the empty group has no effect.
The following space will be printed and THIS space should be 
smaller in an broad-environment if I use \nospace or larger 
in an packed-environment if I use \space.

- -- 
Bernd Kosubek

Unsigned eMail are not from me.

eMail: kosubek@sksatz.com
Fingerprint: C121 F3C2 A6DD 1ACD A9BC F0AF 1289 2AEC B7C4 
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Re: Problem with "packed" and "\space" / "broad" and "/nospace"

[Bernd Kosubek]

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Am Montag, 23. Februar 2009 22:34 schrieb Wolfgang Schuster:

>
> Nonsense, the first \space produce a space and the
> whitespace in the input between \space and yyyy is
> gobbled from the macro.
>
> The empty group after the second space prevents TeX from
> gobbling the space and you get now one space from the
> \space command and another one from the whitespace in the
> output.
>
> > I suppose, that the empty group has no effect.
> > The following space will be printed and THIS space
> > should be smaller in an broad-environment if I use
> > \nospace or larger in an packed-environment if I use
> > \space.
>
> You need a empty group to get a space after commands like
> \TeX because the command gobbles otherwise all following
> whitespace.
>
> Try the following example:
>
> text\relax text\space text\space{}\space{}\space{}\space
> text
>
> Wolfgang

Thank you!!!!

I think I understand it (I hope so)!

- -- 
Bernd Kosubek

Unsigned eMail are not from me.

eMail: kosubek@sksatz.com
Fingerprint: C121 F3C2 A6DD 1ACD A9BC F0AF 1289 2AEC B7C4 
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