Properly escape + and | in table cells

lizmat · lizmat · commit edefd70c274c · 2023-05-15T16:44:14.000+02:00
diff --git a/doc/Language/regexes.rakudoc b/doc/Language/regexes.rakudoc
@@ -684,8 +684,8 @@ Categories can be used together, with an infix operator:
 =begin table
     Operator  |  Meaning
     ==========+=========
-    +         |  set union
-    -         |  set difference
+    \+        |  set union
+    \-        |  set difference
 =end table
 
 To match either a lower-case letter or a number, write
