diff options
Diffstat (limited to 'src/buffer.c')
| -rw-r--r-- | src/buffer.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/buffer.c b/src/buffer.c index a3091015d9b..0bdad086ddd 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -912,6 +912,10 @@ does not run the hooks `kill-buffer-hook', Fset (intern ("buffer-save-without-query"), Qnil); Fset (intern ("buffer-file-number"), Qnil); Fset (intern ("buffer-stale-function"), Qnil); + /* Cloned buffers need extra setup, to do things such as deep + variable copies for list variables that might be mangled due + to destructive operations in the indirect buffer. */ + run_hook (Qclone_indirect_buffer_hook); set_buffer_internal_1 (old_b); } @@ -5569,6 +5573,8 @@ syms_of_buffer (void) Fput (Qprotected_field, Qerror_message, build_pure_c_string ("Attempt to modify a protected field")); + DEFSYM (Qclone_indirect_buffer_hook, "clone-indirect-buffer-hook"); + DEFVAR_PER_BUFFER ("tab-line-format", &BVAR (current_buffer, tab_line_format), Qnil, @@ -6392,6 +6398,13 @@ If `delete-auto-save-files' is nil, any autosave deletion is inhibited. */); This is the default. If nil, auto-save file deletion is inhibited. */); delete_auto_save_files = 1; + DEFVAR_LISP ("clone-indirect-buffer-hook", Vclone_indirect_buffer_hook, + doc: /* Normal hook to run in the new buffer at the end of `make-indirect-buffer'. + +Since `clone-indirect-buffer' calls `make-indirect-buffer', this hook +will run for `clone-indirect-buffer' calls as well. */); + Vclone_indirect_buffer_hook = Qnil; + defsubr (&Sbuffer_live_p); defsubr (&Sbuffer_list); defsubr (&Sget_buffer); |