Complete lisp identifiers with YouCompleteMe

gistfile1.txt

diff --git a/ycmd/identifier_utils.py b/ycmd/identifier_utils.py
index 92b5ea8..e1cb29c 100644
--- a/ycmd/identifier_utils.py
+++ b/ycmd/identifier_utils.py
@@ -70,6 +70,8 @@ FILETYPE_TO_IDENTIFIER_REGEX = {
          r"[-\*\+!_\?:\.a-zA-Z][-\*\+!_\?:\.\w]*/?[-\*\+!_\?:\.\w]*",
          re.UNICODE ),

+    'lisp': re.compile(r"[\_\#\:\/\<\%\.\?\&\*\+\w][^\s\)]*", re.UNICODE),
+
     # Spec: http://www.haskell.org/onlinereport/lexemes.html
     # Section 2.4
     'haskell': re.compile( r"[_a-zA-Z][\w']*", re.UNICODE ),