commit https://github.com/vim/vim/commit/bf2cc5f36d5ffd5de445e6970602000c7869b65a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 7 20:45:06 2016 +0200 patch 7.4.1998 Problem: When writing buffer lines to a job there is no NL to NUL conversion. Solution: Make it work symmetrical with writing lines from a job into a buffer.

--- a/src/netbeans.c
+++ b/src/netbeans.c
@@ -765,7 +765,8 @@ netbeans_end(void)
 nb_send(char *buf, char *fun)
 {
     if (nb_channel != NULL)
-	channel_send(nb_channel, PART_SOCK, (char_u *)buf, fun);
+	channel_send(nb_channel, PART_SOCK, (char_u *)buf,
+						       (int)STRLEN(buf), fun);
 }
 
 /*