Include tilde in argument charset (#666)

Author: christian-schilling

src/filter/grammar.pest

@@ -3,7 +3,7 @@ CMD_START = _{ ":" }
 CMT_START = _{ "#" }
 CMD_END = _{("="|"/")}
 CMD_SEP = _{(","|NEWLINE)}
-ALNUM = _{( ASCII_ALPHANUMERIC | "_" | "-" | "+" | "." | "*" )}
+ALNUM = _{( ASCII_ALPHANUMERIC | "_" | "-" | "+" | "." | "*" | "~")}
 GROUP_START = _{ "[" }
 GROUP_END = _{ "]" }
 

tests/filter/pretty_print.t

@@ -2,6 +2,8 @@
 
   $ josh-filter -p :/a
   :/a
+  $ josh-filter -p :/a~
+  :/a~
   $ josh-filter -p :/a:/b
   :/a/b
   $ josh-filter -p :[:/a:/b,:/a/b]