patches: apply all maintainer review fixes (review pass 2)

All 9 patches now apply cleanly with git am on Linux (git 2.43.0).
Root cause of previous failures: hunk offsets were systematically wrong
by 7-40 lines; macOS git fuzzy-matched them, Linux did not.
Patches regenerated via git format-patch after applying all changes.

Fixes applied:
- P0000: unbind_to on no-candidate fall-through path; hunk regenerated
- P0001: block_input + record_unwind_protect_void in ns_ax_buffer_text
- P0003: [trims release] MRC memory leak; block_input already present
- P0004: mojibake comment (--- not UTF-8 em-dash)
- P0006: texinfo dangling semicolons -> periods in GNUstep paragraph
- P0007: em-dash fixes removed (content was already --- from P0004/P0005)
- P0008: childFrameLastBuffer -> BVAR(b,name) for GC safety;
  BUF_OVERLAY_MODIFF removed from ensureTextCache (hl-line-mode O(N)
  rebuild regression); block_input in ns_ax_buffer_text (P0001 scope);
  voiceoverSetPoint and childFrameLastBuffer explicit init in
  initFrameFromEmacs:; cachedOverlayModiffForText ivar removed

patches/0004-ns-add-interactive-span-elements-for-Tab-navigation.patch

@@ -1,7 +1,7 @@
-From 1ce902a7a0b0d4d63e9d9f8718145d183a3c5d1a Mon Sep 17 00:00:00 2001
+From e3c3878e65d8273e5fca97e942fe97ff3c5c113f Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Sat, 28 Feb 2026 12:58:11 +0100
-Subject: [PATCH 4/8] ns: add interactive span elements for Tab navigation
+Subject: [PATCH 5/9] ns: add interactive span elements for Tab navigation
 
 * src/nsterm.m (ns_ax_scan_interactive_spans): New function; scans the
 visible portion of a buffer for interactive text properties
@@ -18,17 +18,17 @@ rebuilding lazily when interactiveSpansDirty is set.
  1 file changed, 287 insertions(+)
 
 diff --git a/src/nsterm.m b/src/nsterm.m
-index d3015e2..6d3b87a 100644
+index cbf29694dd..e8bbc1ffe1 100644
 --- a/src/nsterm.m
 +++ b/src/nsterm.m
-@@ -9304,6 +9304,293 @@ - (NSRect)accessibilityFrame
+@@ -9342,6 +9342,293 @@ - (NSRect)accessibilityFrame
  
  @end
  
 +
 +
 +/* ===================================================================
-+   EmacsAccessibilityInteractiveSpan — helpers and implementation
++   EmacsAccessibilityInteractiveSpan --- helpers and implementation
 +   =================================================================== */
 +
 +/* Scan visible range of window W for interactive spans.
@@ -125,7 +125,7 @@ index d3015e2..6d3b87a 100644
 +	{
 +	  /* Skip to the next position where any interactive property
 +	     changes.  Try each scannable property in turn and take
-+	     the nearest change point — O(properties) per gap rather
++	     the nearest change point --- O(properties) per gap rather
 +	     than O(chars).  Fall back to pos+1 as safety net.  */
 +	  ptrdiff_t next_interesting = vis_end;
 +	  Lisp_Object skip_props[5]
@@ -237,7 +237,7 @@ index d3015e2..6d3b87a 100644
 +  dispatch_async (dispatch_get_main_queue (), ^{
 +    /* lwin is a Lisp_Object captured by value.  This is GC-safe
 +       because Lisp_Objects are tagged integers/pointers that
-+       remain valid across GC — GC does not relocate objects in
++       remain valid across GC --- GC does not relocate objects in
 +       Emacs.  The WINDOW_LIVE_P check below guards against the
 +       window being deleted between capture and execution.  */
 +    if (!WINDOWP (lwin) || NILP (Fwindow_live_p (lwin)))
@@ -263,7 +263,7 @@ index d3015e2..6d3b87a 100644
 +
 +@end
 +
-+/* EmacsAccessibilityBuffer — InteractiveSpans category.
++/* EmacsAccessibilityBuffer --- InteractiveSpans category.
 +   Methods are kept here (same .m file) so they access the ivars
 +   declared in the @interface ivar block.  */
 +@implementation EmacsAccessibilityBuffer (InteractiveSpans)