Improve documentation of 'inhibit-modification-hooks' and friends

* src/buffer.c (Fset_buffer_modified_p)
(Frestore_buffer_modified_p): Doc fixes.
* src/insdel.c (syms_of_insdel) <inhibit-modification-hooks>:
Document in the doc string that this variable also inhibits file
locks and active region handling.  (Bug#29846)

1 files changed, 4 insertions, 1 deletions

diff --git a/src/insdel.c b/src/insdel.c
index 5dfc62843a7..078f455eaaa 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -2342,7 +2342,10 @@ syms_of_insdel (void)
   DEFVAR_BOOL ("inhibit-modification-hooks", inhibit_modification_hooks,
                doc: /* Non-nil means don't run any of the hooks that respond to buffer changes.
 This affects `before-change-functions' and `after-change-functions',
-as well as hooks attached to text properties and overlays.  */);
+as well as hooks attached to text properties and overlays.
+Setting this variable non-nil also inhibits file locks and checks
+whether files are locked by another Emacs session, as well as
+handling of the active region per `select-active-regions'.  */);
   inhibit_modification_hooks = 0;
   DEFSYM (Qinhibit_modification_hooks, "inhibit-modification-hooks");