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/0002-ns-implement-buffer-accessibility-element.patch

@@ -1,7 +1,7 @@
 From 64859d37421bdaabe2ec416285b6f1847da0737c Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Wed, 4 Mar 2026 15:23:54 +0100
-Subject: [PATCH 3/9] ns: implement buffer accessibility element
+Subject: [PATCH 2/8] ns: implement buffer accessibility element
 
 Implement the NSAccessibility text protocol for Emacs buffer windows.
 
@@ -1176,15 +1176,13 @@ index 9c53001e37..e4b3fb17a0 100644
          if (old_title == 0)
            {
              char *t = strdup ([[[self window] title] UTF8String]);
--            char *pos = strstr (t, "  —  ");
-+            char *pos = strstr (t, "  ---  ");
+             char *pos = strstr (t, "  —  ");
              if (pos)
                *pos = '\0';
              old_title = t;
            }
          size_title = xmalloc (strlen (old_title) + 40);
--	esprintf (size_title, "%s  —  (%d × %d)", old_title, cols, rows);
-+	esprintf (size_title, "%s  ---  (%d × %d)", old_title, cols, rows);
+ 	esprintf (size_title, "%s  —  (%d × %d)", old_title, cols, rows);
          [window setTitle: [NSString stringWithUTF8String: size_title]];
          [window display];
          xfree (size_title);