and a typo in a quantifier silently causes it to be treated as the
literal characters. For example,
- /o{4,3}/
+ /o{4,a}/
-looks like a quantifier that matches 0 times, since 4 is greater than 3,
-but it really means to match the sequence of six characters
-S<C<"o { 4 , 3 }">>. It is planned to eventually require literal uses
+compiles to match the sequence of six characters
+S<C<"o { 4 , a }">>. It is planned to eventually require literal uses
of curly brackets to be escaped, say by preceding them with a backslash
or enclosing them within square brackets, (C<"\{"> or C<"[{]">). This
change will allow for future syntax extensions (like making the lower