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/0006-doc-add-VoiceOver-accessibility-section-to-macOS-app.patch

@@ -11,9 +11,9 @@ enabled, and known limitations.  Use @xref for cross-reference at
 sentence start.  Correct description of ns-accessibility-enabled
 default: initial value is nil, set automatically at startup.
 ---
- doc/emacs/macos.texi | 77 ++++++++++++++++++++++++++++++++++++++++++++
+ doc/emacs/macos.texi | 76 ++++++++++++++++++++++++++++++++++++++++++++
  src/nsterm.m         | 10 ++++--
- 2 files changed, 84 insertions(+), 3 deletions(-)
+ 2 files changed, 83 insertions(+), 3 deletions(-)
 
 diff --git a/doc/emacs/macos.texi b/doc/emacs/macos.texi
 index 6bd334f48e..8d4a7825d8 100644
@@ -27,7 +27,7 @@ index 6bd334f48e..8d4a7825d8 100644
  * GNUstep Support::             Details on status of GNUstep support.
  @end menu
  
-@@ -272,6 +273,82 @@ and return the result as a string.  You can also use the Lisp function
+@@ -272,6 +273,81 @@ and return the result as a string.  You can also use the Lisp function
  services and receive the results back.  Note that you may need to
  restart Emacs to access newly-available services.
  
@@ -101,8 +101,7 @@ index 6bd334f48e..8d4a7825d8 100644
 +
 +  This support is available only on the Cocoa build.  GNUstep has a
 +different accessibility model and is not yet supported.
-+
-+  Block-style cursors are handled
++Block-style cursors are handled
 +correctly: character navigation announces the character at the cursor
 +position, not the character before it.
 +
@@ -114,7 +113,7 @@ diff --git a/src/nsterm.m b/src/nsterm.m
 index 32eb04acef..8e5cc7e1d7 100644
 --- a/src/nsterm.m
 +++ b/src/nsterm.m
-@@ -14713,9 +14713,13 @@ Nil means use fullscreen the old (< 10.7) way.  The old way works better with
+@@ -14710,9 +14710,13 @@ Nil means use fullscreen the old (< 10.7) way.  The old way works better with
  
    DEFVAR_BOOL ("ns-accessibility-enabled", ns_accessibility_enabled,
       doc: /* Non-nil enables Zoom cursor tracking and VoiceOver support.