diff --git a/mode/elisp.py b/mode/elisp.py
index 61e9d68..e238648 100644
--- a/mode/elisp.py
+++ b/mode/elisp.py
@@ -50,8 +50,6 @@ class ELisp(mode.Fundamental):
         'close-paren': (')',),
         'close-brace': ('}',),
         'close-bracket': (']',),
-        'lisp-comment-region': ('C-c #',),
-        'lisp-uncomment-region': ('C-u C-C #',),
     }
 
 install = ELisp.install
diff --git a/mode/sql.py b/mode/sql.py
index b6a6c82..af2e046 100644
--- a/mode/sql.py
+++ b/mode/sql.py
@@ -21,9 +21,7 @@ end_rules = [
     PatternRule(r'eol', r'\n'),
 ]
 
-class PlPgSqlGrammar(Grammar):
-    #rules = base_rules + sql_rules + end_rules
-    pass
+class PlPgSqlGrammar(Grammar): pass
 
 sql_type_rule = NocasePatternRule(r'sql_type', r'(?:void|row|serial|varchar|float|integer|int|text|timestamptz|timestamp|datetz|date|timetz|time|boolean|bool)(?![A-Za-z0-9_])')
 
@@ -51,16 +49,23 @@ sql_rules = [
     PatternRule(r'number', r'[0-9]+(?:e[+-]?[0-9]+)?'),
     PatternRule(r'number', r'[0-9]+\.(?:[0-9]+)?(?:e[+-]?[0-9]+)?'),
     PatternRule(r'number', r'\.[0-9]+(?:e[+-]?[0-9]+)'),
-    RegionRule(r'string', "B'", BitStringGrammar, "'"),
-    RegionRule(r'string', "X'", HexStringGrammar, "'"),
-    RegionRule(r'string', "'", StringGrammar1, "'"),
     RegionRule(r'sql_quoted', '"', StringGrammar2, '"'),
 ]
 
-PlPgSqlGrammar.rules = base_rules + sql_rules + end_rules
+string_rules = [
+    RegionRule(r'string', "B'", BitStringGrammar, "'"),
+    RegionRule(r'string', "X'", HexStringGrammar, "'"),
+    RegionRule(r'string', "'", StringGrammar1, "'"),
+]
+
+PlPgSqlGrammar.rules = base_rules + sql_rules + [
+    RegionRule(r'string', "B''", BitStringGrammar, "''"),
+    RegionRule(r'string', "X''", HexStringGrammar, "''"),
+    RegionRule(r'string', "''", StringGrammar1, "''"),
+] + end_rules
 
 class SqlGrammar(Grammar):
-    rules = base_rules + function_rules + sql_rules + end_rules
+    rules = base_rules + function_rules + sql_rules + string_rules + end_rules
 
 class SqlTabber(tab.StackTabber):
     wst  = ('null', 'eol',)
@@ -146,8 +151,6 @@ class Sql(mode.Fundamental):
         'close-paren': (')',),
         'close-brace': ('}',),
         'close-bracket': (']',),
-        'sql-comment-region': ('C-c #',),
-        'sql-uncomment-region': ('C-u C-c #',),
     }
 
 install = Sql.install