Fix syntax highlighting of INI language

pygments/lexers/configs.py

@@ -45,12 +45,21 @@ class IniLexer(RegexLexer):
         'root': [
             (r'\s+', Whitespace),
             (r'[;#].*', Comment.Single),
-            (r'\[.*?\]$', Keyword),
-            (r'(.*?)([ \t]*)(=)([ \t]*)([^\t\n]*)',
+            (r'(\[.*?\])([ \t]*)$', bygroups(Keyword, Whitespace)),
+            (r'(.*?)([  \t]*)([=:])([ \t]*)([^;#\n]*)(\\)(\s+)',
+             bygroups(Name.Attribute, Whitespace, Operator, Whitespace, String, Text, Whitespace),
+             "value"),
+            (r'(.*?)([ \t]*)([=:])([  \t]*)([^ ;#\n]*(?: +[^ ;#\n]+)*)',
              bygroups(Name.Attribute, Whitespace, Operator, Whitespace, String)),
             # standalone option, supported by some INI parsers
             (r'(.+?)$', Name.Attribute),
         ],
+        'value': [     # line continuation
+            (r'\s+', Whitespace),
+            (r'(\s*)(.*)(\\)([ \t]*)',
+             bygroups(Whitespace, String, Text, Whitespace)),
+            (r'.*$', String, "#pop"),
+        ],
     }
 
     def analyse_text(text):

tests/examplefiles/ini/test.ini

@@ -1,10 +1,18 @@
-[section]
+[section1]
 
-foo = bar
-continued = foo
+foo = bar ; inline comment
+continued = foo # inline comment with \
+                # line continuation
   baz
 conttwo =
   foo
 ; comment
 # comment
 
+[section2]
+
+my_array = Asia, Africa, 'North America', South America, \
+           Antarctica, Europe, Australia
+
+implicit_boolean
+foo = bar