diff options
| author | Ian Hinder <ian.hinder@aei.mpg.de> | 2012-02-07 01:17:16 -0500 |
|---|---|---|
| committer | Ian Hinder <ian.hinder@aei.mpg.de> | 2012-02-07 01:17:16 -0500 |
| commit | e43ef1fbbfaecfdd3837fb5c5eef23b60be6335e (patch) | |
| tree | 125ca59d293c57b147a2e2de10fe96b4089f0fea /Auxiliary | |
| parent | a8f4bbf98c7248512d259be7264b62d851eaaf42 (diff) | |
kranc2.peg: Add question about removing an "optional"
Diffstat (limited to 'Auxiliary')
| -rw-r--r-- | Auxiliary/Grammars/kranc2.peg | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Auxiliary/Grammars/kranc2.peg b/Auxiliary/Grammars/kranc2.peg index 054eaa4..fe6aab3 100644 --- a/Auxiliary/Grammars/kranc2.peg +++ b/Auxiliary/Grammars/kranc2.peg @@ -10,7 +10,7 @@ index_symbol = [a-zA-Z]'*|[0-9] index_expr = {index_symbol}([+-]{int}|) tensor = {name}{indices} dname = D[a-z0-9]* -dtensor = {dname}{indices}? {tensor} +dtensor = {dname}{indices}? {tensor} # Can this "?" be removed? number = -?[0-9]+(\.[0-9]*|)([eEdD][+-]?[0-9]+|) func = {name} \( ({expr}( , {expr})*|) \) value = {func}|{dtensor}|-?{tensor}|{number}|-?\( {expr} \) |