patch 7.4.2258
Problem: Two JSON messages are sent without a separator.
Solution: Separate messages with a NL. (closes #1001)
diff --git a/src/vim.h b/src/vim.h
index 8d49dcd..41c4bac 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2440,6 +2440,7 @@
/* Options for json_encode() and json_decode. */
#define JSON_JS 1 /* use JS instead of JSON */
#define JSON_NO_NONE 2 /* v:none item not allowed */
+#define JSON_NL 4 /* append a NL */
/* Used for flags of do_in_path() */
#define DIP_ALL 0x01 /* all matches, not just the first one */