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Why do people use unnecessary braces?
In so far as I know, the open and close braces around the command name for
\newcommand{\commandname}{...}
versus
\newcommand\commandname{...}
seem to be a matter of personal preference or style? Is there a consensus on this issue and if so what is it?
\def,\edef,\xdef,\letare used. – Peter Grill Dec 20 '12 at 02:14