--- a/src/pyams_utils/doctests/README.txt	Tue May 10 16:44:27 2016 +0200
+++ b/src/pyams_utils/doctests/README.txt	Thu May 12 10:41:22 2016 +0200
@@ -1,19 +1,18 @@
-==================
-ZTFY.utils package
-==================
+===================
+pyams_utils package
+===================
 
 Introduction
 ------------
 
-This package is composed of a set of utility functions, which in complement with zope.app.zapi
-package can make Zope management easier.
+This package is composed of a set of utility functions, usable into any Pyramid application.
 
 
 Unicode functions
 -----------------
 
 While working with extended characters sets containing accentuated characters, it's necessary to
-conversing strings to UTF8 so that they can be used without any conversion problem.
+convert strings to UTF8 so that they can be used without any conversion problem.
 
     >>> from pyams_utils import unicode
 
@@ -128,7 +127,7 @@
 Timezones handling
 ------------------
 
-Timezones handling game me headaches at first. I finally concluded that the best way (for me !) to handle
+Timezones handling gave me headaches at first. I finally concluded that the best way (for me !) to handle
 TZ data was to store every datetime value in GMT timezone.
 As far as I know, there is no easy way to know the user's timezone from his request settings. So you can:
 - store this timezone in user's profile,

--- a/src/pyams_utils/list.py	Tue May 10 16:44:27 2016 +0200
+++ b/src/pyams_utils/list.py	Thu May 12 10:41:22 2016 +0200
@@ -23,10 +23,21 @@
 def unique(seq, idfun=None):
     """Extract unique values from list, preserving order
 
+    Original list is not modified.
+
     >>> from pyams_utils.list import unique
     >>> mylist = [1, 2, 3, 2, 1]
     >>> unique(mylist)
     [1, 2, 3]
+
+    >>> mylist = [3, 2, 2, 1, 4, 2]
+    >>> unique(mylist)
+    [3, 2, 1, 4]
+
+    You can also set an 'id' function applied on each element:
+    >>> mylist = [1, 2, 3, '2', 4]
+    >>> unique(mylist, idfun=str)
+    [1, 2, 3, 4]
     """
     if idfun is None:
         def idfun(x): return x