diff --git a/Language/SQL/SimpleSQL/Parser.lhs b/Language/SQL/SimpleSQL/Parser.lhs
index 5a82efb..5811ecc 100644
--- a/Language/SQL/SimpleSQL/Parser.lhs
+++ b/Language/SQL/SimpleSQL/Parser.lhs
@@ -322,8 +322,10 @@ keyword.
 > binOpSymbolNames :: [String]
 > binOpSymbolNames =
 >     ["=", "<=", ">=", "!=", "<>", "<", ">"
->     ,"*", "/", "+", "-"
->     ,"||", "."]
+>     ,"*", "/", "+", "-", "%"
+>     ,"||", "."
+>     ,"^", "|", "&"
+>     ]
 
 > binOpKeywordNames :: [String]
 > binOpKeywordNames = ["and", "or", "like", "overlaps"]
@@ -347,7 +349,7 @@ There aren't any multi keyword prefix operators currently supported.
 > prefixUnOpKeywordNames = ["not"]
 
 > prefixUnOpSymbolNames :: [String]
-> prefixUnOpSymbolNames = ["+", "-"]
+> prefixUnOpSymbolNames = ["+", "-", "~"]
 
 There aren't any single keyword postfix operators currently
 supported. Maybe all these 'is's can be left factored?
@@ -408,7 +410,7 @@ associativity. This is fixed with a separate pass over the AST.
 >              ++ postfixOpKeywords
 >     -- these are the ops with the highest precedence in order
 >     highPrec = [infixl_ ["."]
->                ,infixl_ ["*","/"]
+>                ,infixl_ ["*","/", "%"]
 >                ,infixl_ ["+", "-"]
 >                ,infixl_ ["<=",">=","!=","<>","||","like"]
 >                ]
diff --git a/TODO b/TODO
index 1c114f2..00d1d2e 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,6 @@
 
 next release:
 
-
 more symbolic operators, array access a[5]? don't think this is
    standard sql, if not, leave for now. There is something about
    arrays in sql:2008
@@ -9,11 +8,9 @@ more symbolic operators, array access a[5]? don't think this is
 row ctor: row(a,b) is fine, but also when there is 2 or more elements,
    the word row can be omitted: (a,b)
 
-
 fix lateral binding issue
 
-
-window frames and named windows
+window frames
 
 review tests to copy from hssqlppp
 
@@ -60,6 +57,8 @@ Later general tasks:
 
 sql server top syntax
 
+named windows
+
 extended string literals, escapes and other flavours (like pg and
    oracle custom delimiters)