Am 26.06.2013 um 14:07 schrieb Procházka Lukáš Ing. - Pontex s. r. o.
<l...@pontex.cz>:
> Hello,
>
> there are several similar commands to produce text (or another object) to be
> centered on the line.
>
> What are differences (or intended usage) among \centerline, \midaligned,
> \startalignment[middle]?
>
> (NB: \centerline has no its-own page on wiki, but it is used at several
> places in wiki samples.
>
> \centerline was also mentioned here in the mailing list, when I was trying to
> center "tabulate" - and neither \midaligned nor \startalignment[middle]
> combined with \dontleavehmode worked.)
The three commands
- \leftline,
- \rightline and
- \centerline
are copied from plain TeX and allow you to center short text which fits on a
single line but it isn’t recommended to use them because ConTeXt has it’s own
alternative for them. The replacement commands are
- \leftaligned,
- \rightaligned and
- \midaligned.
Even though each command is only meant for short text you use the \\ command to
put text into several lines, e.g.
\starttext
\midaligned{One\\Two\\Three}
\stoptext
creates three lines for the input. In recent installations you can write
\startlinealignment[left|middle|right]
…
\stopalignment
as a alternative to \leftaligned etc.
With the alignment environment you can change the alignment of the text for a
certain region. Unlike the line alignment environment you can use text which
covers more than a single line.
\starttext
\input knuth\par
\startalignment[middle]
\input knuth\par
\stopalignment
\stoptext
Wolfgang
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