In Synopsis S05 <sp> should probably be updated to <space>

[ronaldxs]

mr_ron m: "\t" ~~ /<sp>/
camelia rakudo-moar 94d457: OUTPUT«Method 'sp' not found for invocant of class 'Cursor'␤ in block at /tmp/iA3DUp1FLJ:1␤␤»

\s seems to be now in http://design.perl6.org/S05.html#Character_class_shortcuts and wherever else <sp> might be used.