patches: pre-upstream review fixes (all blockers + nits)

- 0000: fix double blank line before #ifdef, remove extra block scope braces
- 0001: spell out 'AT' -> 'assistive technology'; fix stub comment
- 0002: revert unrelated em-dash->triple-dash in windowWillResize strings
- 0003-0005: renumber from [PATCH N/9] to [PATCH N/8]
- 0006: remove 'Block-style cursors' from Known Limitations; fix @xref note
- 0007: remove spurious ns_ax_face_is_selected ChangeLog entry
- 0008: refactor goto skip_overlay_scan to nested if; remove spurious blank line
- All: renumber series (0000=[PATCH 1/1], 0001-0008=[PATCH 1/8]-[PATCH 8/8])

patches/0008-ns-announce-child-frame-completions-to-VoiceOver.patch

@@ -1,7 +1,7 @@
 From a6b1def9a83e23cc0e3325d795ac22b46eb16a5d Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Wed, 4 Mar 2026 15:23:56 +0100
-Subject: [PATCH 9/9] ns: announce child frame completions to VoiceOver
+Subject: [PATCH 8/8] ns: announce child frame completions to VoiceOver
 
 Child frame popups (Corfu, Company-mode child frames) render completion
 candidates in a separate frame whose buffer is not accessible via the
@@ -438,7 +438,7 @@ index 209b8a0a1d..13696786ab 100644
  	}
      }
  
-@@ -9437,41 +9609,49 @@ frameworks like Vertico bump BOTH BUF_MODIFF (via text property
+@@ -9437,41 +9609,48 @@ frameworks like Vertico bump BOTH BUF_MODIFF (via text property
  	 displayed in the minibuffer.  In normal editing buffers,
  	 font-lock and other modes change BUF_OVERLAY_MODIFF on
  	 every redisplay, triggering O(overlays) work per keystroke.
@@ -452,68 +452,40 @@ index 209b8a0a1d..13696786ab 100644
 +	 echo produced by postTextChangedNotification, making typed
 +	 characters inaudible.  VoiceOver should read the overlay
 +	 candidate only when the user navigates (C-n/C-p), not types.  */
-+      if (!MINI_WINDOW_P (w) || didTextChange)
-+	goto skip_overlay_scan;
-+
-+      int selected_line = -1;
-+      NSString *candidate
-+	= ns_ax_selected_overlay_text (b, BUF_BEGV (b), BUF_ZV (b),
-+				       &selected_line);
-+      if (candidate)
++      if (MINI_WINDOW_P (w) && !didTextChange)
  	{
--	  int selected_line = -1;
--	  NSString *candidate
--	    = ns_ax_selected_overlay_text (b, BUF_BEGV (b), BUF_ZV (b),
--					   &selected_line);
--	  if (candidate)
-+	  /* Deduplicate: only announce when the candidate changed.  */
-+	  if (![candidate isEqualToString:
-+			    self.cachedCompletionAnnouncement])
+ 	  int selected_line = -1;
+ 	  NSString *candidate
+ 	    = ns_ax_selected_overlay_text (b, BUF_BEGV (b), BUF_ZV (b),
+ 					   &selected_line);
+ 	  if (candidate)
  	    {
--	      /* Deduplicate: only announce when the candidate changed.  */
--	      if (![candidate isEqualToString:
--			        self.cachedCompletionAnnouncement])
--		{
--		  self.cachedCompletionAnnouncement = candidate;
--
--		  /* Announce the candidate text directly via NSApp.
--		     Do NOT post SelectedTextChanged --- that would cause
--		     VoiceOver to read the AX text at the cursor position
--		     (the minibuffer input line), not the overlay candidate.
--		     AnnouncementRequested with High priority interrupts
--		     any current speech and announces our text.  */
--		  NSDictionary *annInfo = @{
--		    NSAccessibilityAnnouncementKey: candidate,
--		    NSAccessibilityPriorityKey:
--		      @(NSAccessibilityPriorityHigh)
--		  };
--		  ns_ax_post_notification_with_info (
--		    NSApp,
--		    NSAccessibilityAnnouncementRequestedNotification,
--		    annInfo);
--		}
-+	      self.cachedCompletionAnnouncement = candidate;
-+
-+	      /* Announce the candidate text directly via NSApp.
-+		 Do NOT post SelectedTextChanged --- that would cause
-+		 VoiceOver to read the AX text at the cursor position
-+		 (the minibuffer input line), not the overlay candidate.
-+		 AnnouncementRequested with High priority interrupts
-+		 any current speech and announces our text.  */
-+	      NSDictionary *annInfo = @{
-+		NSAccessibilityAnnouncementKey: candidate,
-+		NSAccessibilityPriorityKey:
-+		  @(NSAccessibilityPriorityHigh)
-+	      };
-+	      ns_ax_post_notification_with_info (
-+		NSApp,
-+		NSAccessibilityAnnouncementRequestedNotification,
-+		annInfo);
+ 	      /* Deduplicate: only announce when the candidate changed.  */
+ 	      if (![candidate isEqualToString:
+ 			        self.cachedCompletionAnnouncement])
+ 		{
+ 		  self.cachedCompletionAnnouncement = candidate;
+ 
+ 		  /* Announce the candidate text directly via NSApp.
+ 		     Do NOT post SelectedTextChanged --- that would cause
+ 		     VoiceOver to read the AX text at the cursor position
+ 		     (the minibuffer input line), not the overlay candidate.
+ 		     AnnouncementRequested with High priority interrupts
+ 		     any current speech and announces our text.  */
+ 		  NSDictionary *annInfo = @{
+ 		    NSAccessibilityAnnouncementKey: candidate,
+ 		    NSAccessibilityPriorityKey:
+ 		      @(NSAccessibilityPriorityHigh)
+ 		  };
+ 		  ns_ax_post_notification_with_info (
+ 		    NSApp,
+ 		    NSAccessibilityAnnouncementRequestedNotification,
+ 		    annInfo);
+ 		}
  	    }
  	}
      }
  
-+ skip_overlay_scan:
    /* --- Cursor moved or selection changed ---
       Independent check from the overlay branch above.  */
    if (point != self.cachedPoint || markActive != self.cachedMarkActive)
@@ -652,7 +624,7 @@ index 209b8a0a1d..13696786ab 100644
    scrollbarsNeedingUpdate = 0;
    fs_state = FULLSCREEN_NONE;
    fs_before_fs = next_maximized = -1;
-@@ -12789,6 +12991,156 @@ - (id)accessibilityFocusedUIElement
+@@ -12789,6 +12991,155 @@ - (id)accessibilityFocusedUIElement
     The existing elements carry cached state (modiff, point) from the
     previous redisplay cycle.  Rebuilding first would create fresh
     elements with current values, making change detection impossible.  */
@@ -720,7 +692,6 @@ index 209b8a0a1d..13696786ab 100644
 +   in the minibuffer.  */
 +- (void)announceChildFrameCompletion
 +{
-+
 +  /* Validate frame state --- child frames may be partially
 +     initialized during creation.  */
 +  if (!WINDOWP (emacsframe->selected_window))