patch 8.1.0238: 'buftype' is cleared when using ":term ++hidden cat" commit https://github.com/vim/vim/commit/7da1fb5532890d9c15cdb5b9bec158f9f9c105a7 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 4 16:54:11 2018 +0200 patch 8.1.0238: 'buftype' is cleared when using ":term ++hidden cat" Problem: 'buftype' is cleared when using ":term ++hidden cat". (Marcin Szamotulski) Solution: Set the "options initialized" flag earlier. (closes #3278)

--- a/src/terminal.c
+++ b/src/terminal.c
@@ -529,6 +529,8 @@ term_start(
 
     set_string_option_direct((char_u *)"buftype", -1,
 				  (char_u *)"terminal", OPT_FREE|OPT_LOCAL, 0);
+    // Avoid that 'buftype' is reset when this buffer is entered.
+    curbuf->b_p_initialized = TRUE;
 
     /* Mark the buffer as not modifiable. It can only be made modifiable after
      * the job finished. */