diff -r 9fe544c7818b pygments/lexers/other.py
--- a/pygments/lexers/other.py	Sat Feb 14 13:27:41 2009 +0100
+++ b/pygments/lexers/other.py	Sat Feb 28 22:33:39 2009 -0600
@@ -416,7 +416,7 @@
 
         for match in line_re.finditer(text):
             line = match.group()
-            m = re.match(r'^((?:|sh\S*?|\w+\S+[@:]\S+(?:\s+\S+)?|\[\S+[@:]'
+            m = re.match(r'^((?:\([A-Za-z_0-9-]+\))?(?:|sh\S*?|\w+\S+[@:]\S+(?:\s+\S+)?|\[\S+[@:]'
                          r'[^\n]+\].+)[$#%])(.*\n?)', line)
             if m:
                 # To support output lexers (say diff output), the output