Add official rst mime type.

2 files changed, 2 insertions, 2 deletions

diff --git a/pygments/lexers/_mapping.py b/pygments/lexers/_mapping.py
index f5d32e7b..5e743c07 100644
--- a/pygments/lexers/_mapping.py
+++ b/pygments/lexers/_mapping.py
@@ -117,7 +117,7 @@ LEXERS = {
     'RawTokenLexer': ('pygments.lexers.special', 'Raw token data', ('raw',), (), ('application/x-pygments-tokens',)),
     'RedcodeLexer': ('pygments.lexers.other', 'Redcode', ('redcode',), ('*.cw',), ()),
     'RhtmlLexer': ('pygments.lexers.templates', 'RHTML', ('rhtml', 'html+erb', 'html+ruby'), ('*.rhtml',), ('text/html+ruby',)),
-    'RstLexer': ('pygments.lexers.text', 'reStructuredText', ('rst', 'rest', 'restructuredtext'), ('*.rst', '*.rest'), ('text/x-rst',)),
+    'RstLexer': ('pygments.lexers.text', 'reStructuredText', ('rst', 'rest', 'restructuredtext'), ('*.rst', '*.rest'), ('text/x-rst', 'text/prs.fallenstein.rst')),
     'RubyConsoleLexer': ('pygments.lexers.agile', 'Ruby irb session', ('rbcon', 'irb'), (), ('text/x-ruby-shellsession',)),
     'RubyLexer': ('pygments.lexers.agile', 'Ruby', ('rb', 'ruby'), ('*.rb', '*.rbw', 'Rakefile', '*.rake', '*.gemspec', '*.rbx'), ('text/x-ruby', 'application/x-ruby')),
     'SLexer': ('pygments.lexers.math', 'S', ('splus', 's', 'r'), ('*.S', '*.R'), ('text/S-plus', 'text/S', 'text/R')),
diff --git a/pygments/lexers/text.py b/pygments/lexers/text.py
index b0ec38a5..cd970ae9 100644
--- a/pygments/lexers/text.py
+++ b/pygments/lexers/text.py
@@ -584,7 +584,7 @@ class RstLexer(RegexLexer):
     name = 'reStructuredText'
     aliases = ['rst', 'rest', 'restructuredtext']
     filenames = ['*.rst', '*.rest']
-    mimetypes = ["text/x-rst"]
+    mimetypes = ["text/x-rst", "text/prs.fallenstein.rst"]
     flags = re.MULTILINE
 
     def _handle_sourcecode(self, match):