diff options
| -rw-r--r-- | src/buffer.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/buffer.c b/src/buffer.c index be94972ee87..4c3d2496e52 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -112,6 +112,11 @@ Lisp_Object Vafter_change_function; Lisp_Object Vtransient_mark_mode; +/* t means ignore all read-only text properties. + A list means ignore such a property if its value is a member of the list. + Any non-nil value means ignore buffer-read-only. */ +Lisp_Object Vinhibit_read_only; + /* List of functions to call before changing an unmodified buffer. */ Lisp_Object Vfirst_change_hook; Lisp_Object Qfirst_change_hook; @@ -939,7 +944,8 @@ DEFUN ("barf-if-buffer-read-only", Fbarf_if_buffer_read_only, "Signal a `buffer-read-only' error if the current buffer is read-only.") () { - while (!NILP (current_buffer->read_only)) + if (!NILP (current_buffer->read_only) + && NILP (Vinhibit_read_only)) Fsignal (Qbuffer_read_only, (Fcons (Fcurrent_buffer (), Qnil))); return Qnil; } @@ -2313,6 +2319,14 @@ Automatically local in all buffers."); "*Non-nil means deactivate the mark when the buffer contents change."); Vtransient_mark_mode = Qnil; + DEFVAR_LISP ("inhibit-read-only", &Vinhibit_read_only + "*Non-nil means disregard read-only status of buffers or characters.\n\ +If the value is t, disregard `buffer-read-only' and all `read-only'\n\ +text properties. If the value is a list, disregard `buffer-read-only'\n\ +and disregard a `read-only' text property if the property value\n\ +is a member of the list."); + Vinhibit_read_only = Qnil; + defsubr (&Sbuffer_list); defsubr (&Sget_buffer); defsubr (&Sget_file_buffer); |