JW> Date: Fri, 21 Jul 2017 08:59:33 +0100
JW> From: Joseph Wright <[log in to unmask]>
JW> In the latest CTAN update, \bool_if:n(TF) has been made *greedy*:
JW> \bool_lazy_... functions are available for lazy evaluation. (The latter
JW> have a different input syntax which does not suffer from the issue that
JW> affects \bool_if:n(TF).) Any code which still assumes lazy evaluation
JW> for \bool_if:n(TF) will therefore need adjustment.
Would not it be a little gentler to the developers to keep
\bool_if... lazy and introduce a new family \bool_greedy...?
Because . doesn't match \n. [\0-\377] is the most efficient way to match
everything currently. Maybe \e should match everything. And \E would
of course match nothing. :-)
-- Larry Wall in <[log in to unmask]>