Revision history for SQL::Abstract
+revision 1.81 2014-10-25
+----------------------------
+ - Fix overly-enthusiastic parenthesis unroller (RT#99503)
+
+revision 1.80 2014-10-05
+----------------------------
+ - Fix erroneous behavior of is_literal_value($) wrt { -ident => ... }
+ - Explicitly croak on top-level special ops (they didn't work anyway)
+
+revision 1.79 2014-09-25
+----------------------------
+ - New exportable functions: is_literal_value($) and is_plain_value($)
+ - New attribute 'escape_char' allowing for proper escape of quote_chars
+ present in an identifier
+ - Deprecate { "" => \... } constructs
+ - Treat { -value => undef } as plain undef in all cases
+ - Explicitly throw on { -ident => undef }
+
+revision 1.78 2014-05-28
+----------------------------
+ - Fix parsing of binary ops to correctly take up only a single LHS
+ element, instead of gobbling up the entire parse-to-date
+ - Explicitly handle ROW_NUMBER() OVER as the snowflake-operator it is
+ - Improve signatures/documentation of is_same_sql_bind / eq_sql_bind
+ - Retire script/format-sql - the utility needs more work to be truly
+ end-user convenient
+
+revision 1.77 2014-01-17
+----------------------------
- Reintroduce { -not => undef } column operator (regression from 1.75)
revision 1.75 2013-12-27