Am 18.04.2012 um 11:48 schrieb Procházka Lukáš Ing. - Pontex s. r. o.:
> Hello,
>
> a question - I'm just curious:
>
> What is advantage (or maybe intension) of using buffers over \def?
>
> Compare:
>
> ----
> \def\BufA{This is buffer A.}
>
> \startbuffer[BufB]
> This is buffer B.
> \stopbuffer
>
> \starttext
> \BufA
> \getbuffer[BufB]
>
> \ifx\BufC\undefined No buffer C.\else\BufC\fi
\ifdefined\BufC … \else … \fi
Sometimes \setvariables is a better method to store texts in a document.
> \stoptext
> ----
>
> Both ways give the required effect.
>
> Moreover, when using \def, I can also test its existence (maybe it's also
> possible with buffers, but I don't know how).
You can use \doifelsebuffer{<buffer name>}{…}{…}.
Wolfgang
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