Re: Omitting hyphenation

[Hans Hagen <pragma@wxs.nl>]

On 21-6-2010 8:03, Wolfgang Schuster wrote:
> Am 21.06.10 19:50, schrieb Matija Šuklje:
>> Dne ponedeljek 21. junija 2010 ob 19:47:08 je Wolfgang Schuster
>> napisal(a):
>>> Am 21.06.10 18:53, schrieb Yury G. Kudryashov:
>>>> Try \hbox{word} (AFAIR, this is a plain TeX command)
>>> If you want a context command then use \mbox ;)
>> Is there any practical difference?
>
> No but i wish there is one, e.g. the following example shows a problem
> with \hbox.
>
> \starttext
> \hbox{test} text text
> \blank
> \dontleavehmode\hbox{test} text text
> \stoptext
>
> As you can see in the output the first 'test' starts 'text text' on a
> new line and i forced \hbox
> to appear in horizontal mode with \dontleavehmode and this can't be
> changed because \hbox is a TeX
> primitive and you have to rely on this behaviour. The \mbox command
> isn't a primitive and i would
> be so easy to add \dontleavehmode to it's definition to make sure the
> text after \mbox won't appear
> on a new line, this means in this example both lines result in the same
> output.
>
> \starttext
> \dontleavehmode\hbox{test} text text
> \blank
> \mbox{test} text text
> \stoptext

we can have

\unexpanded\def\mbox
   {\ifmmode\normalmbox\else\dontleavehmode\normalhbox\fi}

as i never use this command it won't break my documents -)

Hans


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