updated for version 7.4.218
Problem: It's not easy to remove duplicates from a list.
Solution: Add the uniq() function. (LCD)
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index d6daf50..da981c4 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1650,7 +1650,7 @@
7. Sorting text *sorting*
Vim has a sorting function and a sorting command. The sorting function can be
-found here: |sort()|.
+found here: |sort()|, |uniq()|.
*:sor* *:sort*
:[range]sor[t][!] [i][u][r][n][x][o] [/{pattern}/]