Re: [NTG-context] How to avoid overriding a control sequence?

7 Mar 2016

      On Mon, Mar 7, 2016 at 7:40 PM, Nicola  wrote:
...
How do I check in ConTeXt whether a control sequence is already
defined (to avoid redefining it by accident)?
kind of

\ifdefined\writebanner \else \unexpanded\def\writebanner{\writestring}
\fi
?

-- 
luigi

Re: [NTG-context] How to avoid overriding a control sequence?

luigi scarso