hi

if ($nick isop $chan) || ($nick ishop $chan) {
can be
if $nick(#,$nick,oh) {

when u set or unset a variable u dont need to evaluate $identifer or %var so

set %warnon [ $+ [ $chan ] ] sup
can be
set %warnon $+ # sup

about if (aaaaaa isin $1-) || (bbbbbb isin $1-) || ........ use regex .{6}