patch 8.0.0431: 'cinoptions' cannot set indent for extern block commit https://github.com/vim/vim/commit/7720ba8599162fbbb8f7fc034f674a2ccd3ca7f1 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 8 22:19:26 2017 +0100 patch 8.0.0431: 'cinoptions' cannot set indent for extern block Problem: 'cinoptions' cannot set indent for extern block. Solution: Add the "E" flag in 'cinoptions'. (Hirohito Higashi)

--- a/src/structs.h
+++ b/src/structs.h
@@ -2236,6 +2236,7 @@ struct file_buffer
     int		b_ind_hash_comment;
     int		b_ind_cpp_namespace;
     int		b_ind_if_for_while;
+    int		b_ind_cpp_extern_c;
 #endif
 
     linenr_T	b_no_eol_lnum;	/* non-zero lnum when last line of next binary