patches: fix all non-ASCII, PATCH numbering, block_input order, pkg names

- All 9 patches: convert em-dash, arrow, ellipsis, mu to ASCII equivalents
  (required for strict git am on Linux; GNU coding standards)
- 0000: Subject [PATCH 0/8] -> [PATCH] (standalone Zoom series)
- 0001: fix block_input() ordering: call block_input before
  record_unwind_protect_void(unblock_input) per standard pattern
- 0001/0005: shorten decorator separator comment lines to <80 chars
- 0007: genericize overlay completion framework name in commit message
- 0008: genericize child-frame completion framework name in commit message
- README.txt: fix stale 'default t' to 'default nil' with auto-detection note
- TESTING.txt: fix stale 'defaults to t' to 'defaults to nil'

patches/0000-ns-integrate-with-macOS-Zoom-for-cursor-tracking.patch

@@ -26,16 +26,16 @@ to the selected completion candidate after normal cursor tracking.
 (ns_update_end): Call ns_zoom_track_completion.
 (ns_draw_window_cursor): Store cursor rect; call UAZoomChangeFocus.
 ---
- etc/NEWS     |  10 ++
+ etc/NEWS     |  11 ++
  src/nsterm.h |   6 +
- src/nsterm.m | 357 +++++++++++++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 373 insertions(+)
+ src/nsterm.m | 354 +++++++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 371 insertions(+)
 
 diff --git a/etc/NEWS b/etc/NEWS
 index 7367e3ccbd..4c149e41d6 100644
 --- a/etc/NEWS
 +++ b/etc/NEWS
-@@ -82,6 +82,16 @@ other directory on your system.  You can also invoke the
+@@ -82,6 +82,17 @@ other directory on your system.  You can also invoke the
  
  * Changes in Emacs 31.1
  
@@ -45,9 +45,10 @@ index 7367e3ccbd..4c149e41d6 100644
 +Follow keyboard focus), Emacs informs Zoom of the text cursor position
 +after every cursor redraw via 'UAZoomChangeFocus'.  The zoomed viewport
 +automatically tracks the insertion point across window splits and
-+switches.  Overlay-based completion frameworks and child-frame popup
-+completions are also tracked: Zoom follows the selected candidate
-+rather than the text cursor during completion.
++switches.  Completion frameworks (Vertico, Icomplete, Ivy for overlay
++candidates; Corfu, Company-box for child frame popups) are also
++tracked: Zoom follows the selected candidate rather than the text
++cursor during completion.
 +
  +++
  ** 'line-spacing' now supports specifying spacing above the line.
@@ -85,7 +86,7 @@ index 932d209f56..88c9251c18 100644
  #endif
  
  static EmacsMenu *dockMenu;
-@@ -1081,6 +1086,284 @@ static NSRect constrain_frame_rect(NSRect frameRect, bool isFullscreen)
+@@ -1081,6 +1086,281 @@ static NSRect constrain_frame_rect(NSRect frameRect, bool isFullscreen)
  }
  
  
@@ -102,9 +103,9 @@ index 932d209f56..88c9251c18 100644
 +
 +/* Cached wrapper around ns_zoom_enabled_p ().
 +   ns_zoom_enabled_p () performs a synchronous Mach IPC roundtrip to the
-+   macOS Accessibility server (~50-200 µs per call).  With call sites
++   macOS Accessibility server (~50-200 uss per call).  With call sites
 +   in ns_draw_window_cursor, ns_update_end, and ns_zoom_track_completion,
-+   the overhead accumulates to ~150-600 µs per redisplay cycle.  Zoom
++   the overhead accumulates to ~150-600 uss per redisplay cycle.  Zoom
 +   state changes only on explicit user action in System Settings, so a
 +   1-second TTL is safe and indistinguishable from querying every frame.
 +   Uses CFAbsoluteTimeGetCurrent() (~5 ns, a VDSO read) for timing.  */
@@ -123,9 +124,6 @@ index 932d209f56..88c9251c18 100644
 +  return ns_zoom_cached_enabled;
 +}
 +
-+/* Note: ns_ax_face_is_selected in the VoiceOver series has identical
-+   logic.  The duplication is intentional: both series are independent
-+   and must compile standalone.  */
 +/* Identify faces that mark a selected completion candidate.
 +   Matches vertico-current, corfu-current, icomplete-selected-match,
 +   ivy-current-match, etc. by checking the face symbol name.
@@ -370,7 +368,7 @@ index 932d209f56..88c9251c18 100644
  static void
  ns_update_end (struct frame *f)
  /* --------------------------------------------------------------------------
-@@ -1104,6 +1387,41 @@ static NSRect constrain_frame_rect(NSRect frameRect, bool isFullscreen)
+@@ -1104,6 +1384,41 @@ static NSRect constrain_frame_rect(NSRect frameRect, bool isFullscreen)
  
    unblock_input ();
    ns_updating_frame = NULL;
@@ -412,7 +410,7 @@ index 932d209f56..88c9251c18 100644
  }
  
  static void
-@@ -3232,6 +3550,45 @@ Note that CURSOR_WIDTH is meaningful only for (h)bar cursors.
+@@ -3232,6 +3547,45 @@ Note that CURSOR_WIDTH is meaningful only for (h)bar cursors.
    /* Prevent the cursor from being drawn outside the text area.  */
    r = NSIntersectionRect (r, ns_row_rect (w, glyph_row, TEXT_AREA));