remove curly braces from metagrammar

darcs-hash:20070527232648-5007d-587ffb16167da7246edf53a4ca760a90cbc1cae2.gz

diff --git a/src/edu/berkeley/sbp/meta/meta.g b/src/edu/berkeley/sbp/meta/meta.g
index f06eb2f..e97f813 100644 (file)
--- a/src/edu/berkeley/sbp/meta/meta.g
+++ b/src/edu/berkeley/sbp/meta/meta.g
@@ -34,7 +34,6 @@ e             =                                   e ^"!"
               >                NonTerminalReference:: Word
               |                Literal:: Quoted
               |                  ^"()"
-              |                  ^"{" PreSequence "}"    /ws
               |                  ^"["  Range* "]"
               |                e ^"++"                   /ws -> ~[/]
               |                e ^"+"                    /ws -> ~[+]
@@ -51,8 +50,6 @@ e             =                                   e ^"!"
               |                   "(" Word  ^")"
               >                  ^"(" RHS  ")"           /ws
               |                 "~":: ("~" -> ~"~")!  e
-              |                  ^"\\{"
-              |                  ^"\\}"
               |                  ^">>"
               |                  ^"<<"