learn new words, correct small typo

Author: coke

doc/Language/grammar_tutorial.pod6

@@ -210,7 +210,7 @@ useful only where an exact match of the option name is required.
 If, for one of the proto-regex options, a match condition occurs, then the whole
 proto's search terminates. The matching data, in the form of a match object, is
 assigned to the parent proto token. If the special <sym> token was employed, and
-formed all or part of the actual match, then it is preserved as a sublevel in
+formed all or part of the actual match, then it is preserved as a sub-level in
 the match object, otherwise it is absent.
 
 Using proto-regexes like this gives us some greater flexibility. For example, instead of returning <sym>, which in this case is the entire string that was matched, we could instead enter our own string, or do other funny stuff. We could do the same with the "token subject" method, and limit it also to only parsing correctly on valid subjects (like 'part' or 'people', etc.).

xt/code.pws

@@ -239,6 +239,7 @@ startee
 strorarrayofstr
 structobj
 su
+tbar
 tbaz
 temphandle
 testactions

xt/words.pws

@@ -20,6 +20,7 @@ allcaps
 allof
 allomorph
 allomorphs
+alnum
 alphanumerics
 alreadystarted
 altgr
@@ -1149,6 +1150,7 @@ writehandle
 wrongorder
 ws
 xcompose
+xdigit
 xeqv
 xim
 xorg