Fix recent changes related to 'glyphless-display-mode'

* lisp/textmodes/glyphless-mode.el (glyphless-mode-types): Fix
spelling of "bidirectional".
* lisp/international/characters.el (char-acronym-table): Fix
acronyms for LRI and RLI: use their accepted shorthands.
(glyphless-char-display-control): Fix spelling of doc string.

* doc/lispref/display.texi (Glyphless Chars): Fix spelling and add
a cross-reference.

3 files changed, 8 insertions, 7 deletions

diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 80ef24b270d..b82473f9c20 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -8282,8 +8282,9 @@ images, such as U+00AD @sc{soft hyphen}.
 
 @item bidi-control
 This is a subset of @code{format-control}, but only includes
-characters that are related to bi-directional control, like U+2069
-@sc{pop directional isolate} and U+202A @sc{left-to-right embedding}.
+characters that are related to bidirectional formatting control, like
+U+2069 @sc{pop directional isolate} and U+202A @sc{left-to-right
+embedding}.  @xref{Bidirectional Display}.
 
 Characters of Unicode General Category [Cf], such as U+200E
 @sc{left-to-right mark}, but excluding characters that have graphic
diff --git a/lisp/international/characters.el b/lisp/international/characters.el
index c7d54318efd..c9fc8c76a53 100644
--- a/lisp/international/characters.el
+++ b/lisp/international/characters.el
@@ -1493,8 +1493,8 @@ Setup `char-width-table' appropriate for non-CJK language environment."
 (aset char-acronym-table #x202D "LRO")	   ; LEFT-TO-RIGHT OVERRIDE
 (aset char-acronym-table #x202E "RLO")	   ; RIGHT-TO-LEFT OVERRIDE
 (aset char-acronym-table #x2060 "WJ")	   ; WORD JOINER
-(aset char-acronym-table #x2066 "LTRI")	   ; LEFT-TO-RIGHT ISOLATE
-(aset char-acronym-table #x2067 "RTLI")	   ; RIGHT-TO-LEFT ISOLATE
+(aset char-acronym-table #x2066 "LRI")	   ; LEFT-TO-RIGHT ISOLATE
+(aset char-acronym-table #x2067 "RLI")	   ; RIGHT-TO-LEFT ISOLATE
 (aset char-acronym-table #x2069 "PDI")	   ; POP DIRECTIONAL ISOLATE
 (aset char-acronym-table #x206A "ISS")	   ; INHIBIT SYMMETRIC SWAPPING
 (aset char-acronym-table #x206B "ASS")	   ; ACTIVATE SYMMETRIC SWAPPING
@@ -1628,8 +1628,8 @@ GROUP must be one of these symbols:
                     excluding characters that have graphic images,
                     such as U+00AD (SHY).
   `bidi-control':   A subset of `format-control', but only characters
-                    that are relevant for bi-directional control, like
-                    U+2069 (PDI) and U+202B (RLE).
+                    that are relevant for bidirectional formatting controls,
+                    like U+2069 (PDI) and U+202B (RLE).
   `variation-selectors':
                     Characters in the range U+FE00..U+FE0F, used for
                     selecting alternate glyph presentations, such as
diff --git a/lisp/textmodes/glyphless-mode.el b/lisp/textmodes/glyphless-mode.el
index 9751b9f143e..177ba42c9c8 100644
--- a/lisp/textmodes/glyphless-mode.el
+++ b/lisp/textmodes/glyphless-mode.el
@@ -34,7 +34,7 @@ The value can be any of the groups supported by
                          (const :tag "C0 Control" c0-control)
                          (const :tag "C1 Control" c1-control)
                          (const :tag "Format Control" format-control)
-                         (const :tag "Bi-directional Control" bidi-control)
+                         (const :tag "Bidirectional Control" bidi-control)
                          (const :tag "Variation Selectors" variation-selectors)
                          (const :tag "No Font" no-font)))
   :group 'display)