## \begin

\begin // [from the LaTeX command] With \end, used humorously in writing to indicate a context or to remark on the surrounded text. For example:

     \beginflame
Predicate logic is the only good programming
language.  Anyone who would use anything else
is an idiot.  Also, all computers should be

The Scribe users at CMU and elsewhere used to use @Begin/@End in an identical way (LaTeX was built to resemble Scribe). On Usenet, this construct would more frequently be rendered as <FLAME ON>' and <FLAME OFF>', or #ifdef FLAME' and #endif FLAME''.