agent: Correct spelling of separator. Fixes #101.

CHANGELOG.md

@@ -4,6 +4,9 @@ FEATURES:
 
 BUG FIXES:
 
+ * Renaming "seperator" to "separator". This is the correct spelling,
+ but both spellings are respected for backwards compatibility. [GH-101]
+
 IMPROVEMENTS:
 
   * Improved the URL formatting for the key/value editor in the Web UI.

command/agent/kvs_endpoint.go

@@ -81,12 +81,16 @@ func (s *HTTPServer) KVSGet(resp http.ResponseWriter, req *http.Request, args *s
 
 // KVSGetKeys handles a GET request for keys
 func (s *HTTPServer) KVSGetKeys(resp http.ResponseWriter, req *http.Request, args *structs.KeyRequest) (interface{}, error) {
-	// Check for a seperator
+	// Check for a seperator, due to historic spelling error,
+	// we now are forced to check for both spellings
 	var sep string
 	params := req.URL.Query()
 	if _, ok := params["seperator"]; ok {
 		sep = params.Get("seperator")
 	}
+	if _, ok := params["separator"]; ok {
+		sep = params.Get("separator")
+	}
 
 	// Construct the args
 	listArgs := structs.KeyListRequest{

website/source/docs/agent/http.html.markdown

@@ -149,8 +149,8 @@ key.
 
 It is possible to also only list keys without any values by using the
 "?keys" query parameter along with a `GET` request. This will return
-a list of the keys under the given prefix. The optional "?seperator="
+a list of the keys under the given prefix. The optional "?separator="
-can be used to list only up to a given seperator.
+can be used to list only up to a given separator.
 
 For example, listing "/web/" with a "/" seperator may return: