Eliminates non-working conjunctions.

Thanks to @ronaldxs for spotting them. Closes #2064.

Also some reflow around that change.

Author: JJ

doc/Language/regexes.pod6

@@ -249,14 +249,14 @@ another approach is to use Unicode character properties. These come in
 the form C«<:property>», where C<property> can be a short or long
 Unicode General Category name. These use pair syntax.
 
-To match against a Unicode Property:
+To match against a Unicode property you can use either smartmatch or L<C<uniprop>|/routine/uniprop>:
 
     "a".uniprop('Script');                 # OUTPUT: «Latin␤»
     "a" ~~ / <:Script<Latin>> /;           # OUTPUT: «｢a｣␤»
     "a".uniprop('Block');                  # OUTPUT: «Basic Latin␤»
     "a" ~~ / <:Block('Basic Latin')> /;    # OUTPUT: «｢a｣␤»
 
-Unicode General Categories:
+These are the unicode general categories used for matching:
 
 =begin table
 
@@ -314,11 +314,9 @@ Categories can be used together, with an infix operator:
 
     Operator  |  Meaning
     ==========+=========
-    \+        |  set union
-    \|        |  set union
-    &         |  set intersection
+    +         |  set union
     -         |  set difference
-    ^         |  set symmetric difference
+
 
 =end table
 
@@ -332,10 +330,11 @@ parentheses; for example:
 
 =head2 X«Enumerated Character Classes and Ranges|regex,<[ ]>;regex,<-[ ]>»
 
-Sometimes the pre-existing wildcards and character classes are not enough.
-Fortunately, defining your own is fairly simple. Within C«<[ ]>», you
-can put any number of single characters and ranges of characters (expressed
-with two dots between the end points), with or without whitespace.
+Sometimes the pre-existing wildcards and character classes are not
+enough. Fortunately, defining your own is fairly simple. Within C«<[ ]>»,
+you can put any number of single characters and ranges of characters
+(expressed with two dots between the end points), with or without
+whitespace.
 
     "abacabadabacaba" ~~ / <[ a .. c 1 2 3 ]>* /;
     # Unicode hex codepoint range