More xtest fixes

doc/Language/variables.pod6

@@ -1165,7 +1165,7 @@ X<|%*ENV>X<|$*REPO>X<|$*TZ>
 X<|$*CWD>X<|$*KERNEL>X<|$*DISTRO>X<|$*VM>X<|$*PERL>X<|$*PID>X<|$*PROGRAM-NAME>
 X<|$*PROGRAM>X<|$*EXECUTABLE>X<|$*EXECUTABLE-NAME>X<|$*USER>X<|$*GROUP>
 X<|$*HOME>X<|$*SPEC>X<|$*TMPDIR>X<|$*THREAD>X<|$*SCHEDULER>X<|$*USAGE>
-=head3 Runtime Enviroment
+=head3 Runtime Environment
 =item  C<%*ENV>
 Environment variables;
 

doc/Type/Iterator.pod6

@@ -121,7 +121,8 @@ a simplistic subroutine re-implementation of the C<for> loop.
 
     for( Seq.new(CountDown.new), &say );  # OUTPUT: «10␤9␤8␤7␤6␤5␤4␤3␤2␤1␤lift off␤»
 
-It would be more idiomatic to use C<while> or C<until>, and a sigiless variable.
+It would be more idiomatic to use C<while> or C<until>, and a sigil-less
+variable.
 
     =begin code :preamble<my $iterator = ().iterator; my &do = &say>
     until IterationEnd =:= (my \pulled = $iterator.pull-one) {

xt/code.pws

@@ -374,6 +374,7 @@ shortname
 skippingarray
 sl
 sleepsorter
+sliceable
 sockaddr
 socklen
 socktype