Make 'text-property-default-nonsticky' buffer-local when set

* src/textprop.c (syms_of_textprop)
<text-property-default-nonsticky>: Make buffer-local when set.
(Bug#76445)

* etc/symbol-releases.eld: Add text-property-default-nonsticky.

* etc/NEWS:
* doc/lispref/text.texi (Sticky Properties): Document the change.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/textprop.c b/src/textprop.c
index 30c26ce4809..8fdaafccede 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -2427,6 +2427,7 @@ inherits it if NONSTICKINESS is nil.  The `front-sticky' and
      by default.  */
   Vtext_property_default_nonsticky
     = list2 (Fcons (Qsyntax_table, Qt), Fcons (Qdisplay, Qt));
+  Fmake_variable_buffer_local (Qtext_property_default_nonsticky);
 
   interval_insert_behind_hooks = Qnil;
   interval_insert_in_front_hooks = Qnil;
@@ -2444,6 +2445,7 @@ inherits it if NONSTICKINESS is nil.  The `front-sticky' and
   DEFSYM (Qlocal_map, "local-map");
   DEFSYM (Qfront_sticky, "front-sticky");
   DEFSYM (Qrear_nonsticky, "rear-nonsticky");
+  DEFSYM (Qtext_property_default_nonsticky, "text-property-default-nonsticky");
   DEFSYM (Qmouse_face, "mouse-face");
   DEFSYM (Qminibuffer_prompt, "minibuffer-prompt");