[variables] add documentation of $TABSTOP, $USAGE and $ENC

Raku · Aug 29, 2012 · 0f41c02 · 0f41c02
1 parent 08d76c8
commit 0f41c02
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/variables.pod b/lib/variables.pod
@@ -224,9 +224,9 @@ Other compile-time constants:
     $?CLASS     Which class am I in? (as variable)
     $?ROLE      Which role am I in? (as variable)
     $?GRAMMAR   Which grammar am I in?
-    $?TABSTOP   ???
-    $?USAGE
-    $?ENC
+    $?TABSTOP   How many spaces is a tab in a heredoc or virtual margin?
+    $?USAGE     The usage message generated from the signatures of MAIN subs.
+    $?ENC       Default encoding of Str.encode/Buf.decode/various IO methods.
 
 =head2 Dynamic variables