Updated runtime files.
Add Serbian translations and spell checking.
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index f97b033..29000bf 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt* For Vim version 8.0. Last change: 2018 Jan 31
+*quickref.txt* For Vim version 8.0. Last change: 2018 Feb 11
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -838,6 +838,7 @@
'printoptions' 'popt' controls the format of :hardcopy output
'prompt' 'prompt' enable prompt in Ex mode
'pumheight' 'ph' maximum height of the popup menu
+'pumwidth' 'pw' minimum width of the popup menu
'pythondll' name of the Python 2 dynamic library
'pythonhome' name of the Python 2 home directory
'pythonthreedll' name of the Python 3 dynamic library