claz: ignore empty lines in invites file
=/ m null-glad
=/ friends=(list [=ship @q =address])
=+ txt=.^((list cord) %cx file)
- %+ turn txt
+ %+ murn txt
|= line=cord
+ ^- (unit [ship @q address])
+ ?: =('' line) ~
+ %- some
~| line
%+ rash line
;~ (glue com)
