diff -r be012dd45b4b -r 2b8a65ed6f4c dav/main.c
--- a/dav/main.c	Sun Apr 05 10:13:09 2020 +0200
+++ b/dav/main.c	Sun Apr 05 11:06:34 2020 +0200
@@ -252,7 +252,7 @@
     "list [-altdepcR] [-u <date>] <url>",
     "get [-pcRK] [-o <file>] [-u <date>] [-V <version>] <url>",
     "put [-pcR] [-k <key>] [-L <lock>] <url> <file...>",
-    "edit [-pc] [-k <key>] [-V <version>] <url>",
+    "edit [-pc] [-k <key>] [-V <version>] [-L <lock>] <url>",
     "mkdir [-pc] [-k <key>] [-L <lock>] <url> [file...]",
     "remove [-pc] [-L <lock>] <url> [file...]",
     "copy [-pcO] [-L <lock>] <url> <url>",
@@ -1185,7 +1185,7 @@
     if(set_session_config(sn, a)) {
         return -1;
     }
-    // TODO: implement locking feature
+    set_session_lock(sn, a);
         
     if(check_encryption_key(a, sn)) {
         return -1;