fixes #2073; language spec change: arrow like operators are not right associative anymore

compiler/parser.nim

@@ -198,8 +198,8 @@ proc isSigilLike(tok: TToken): bool {.inline.} =
 
 proc isRightAssociative(tok: TToken): bool {.inline.} =
   ## Determines whether the token is right assocative.
-  result = tok.tokType == tkOpr and (tok.ident.s[0] == '^' or
+  result = tok.tokType == tkOpr and tok.ident.s[0] == '^'
-    (let L = tok.ident.s.len; L > 1 and tok.ident.s[L-1] == '>'))
+  # or (let L = tok.ident.s.len; L > 1 and tok.ident.s[L-1] == '>'))
 
 proc getPrecedence(tok: TToken, strongSpaces: bool): int =
   ## Calculates the precedence of the given token.

doc/manual/syntax.txt

@@ -12,10 +12,8 @@ Binary operators have 11 different levels of precedence.
 Associativity
 -------------
 
-Binary operators whose first character is ``^`` or its last character
+Binary operators whose first character is ``^`` are right-associative, all
-is ``>`` are right-associative, all other binary operators are left-associative.
+other binary operators are left-associative.
-
-Exception: The single "greater than" ``>`` operator is left-associative too.
 
 Operators ending in ``>`` but longer than a single character are 
 called `arrow like`:idx:.

web/news.txt

@@ -20,6 +20,7 @@ News
     ``addHandler``, ``getHandlers``, ``setLogFilter`` and ``getLogFilter``
     should be used instead.
   - ``nim idetools`` has been replaced by a separate tool `nimsuggest`_.
+  - *arrow like* operators are not right associative anymore.
 
   
   Language Additions