Clean up wording around bitless characters.

diff --git a/doc/ref-manual/characters.texi b/doc/ref-manual/characters.texi
index 3deff38ef3732ec197e12a4c0e4d28e06915cb44..5e0084759899471d42169359098a58282d927f2f 100644 (file)
--- a/doc/ref-manual/characters.texi
+++ b/doc/ref-manual/characters.texi
@@ -443,9 +443,9 @@ it returns @code{#f}.
 @end deffn
 
 @deffn procedure unicode-char? object
-Returns @code{#t} if @var{object} is any ``bitless'' character
-corresponding to a Unicode code point, except for those with general
-category @code{other:surrogate} or @code{other:not-assigned}.
+Returns @code{#t} if @var{object} is any character corresponding to a
+Unicode code point, except for those with general category
+@code{other:surrogate} or @code{other:not-assigned}.
 @end deffn
 
 @deffn procedure char-general-category char
@@ -495,8 +495,12 @@ Returns the Unicode general category of @var{char} (or
 
 MIT/GNU Scheme's character-set abstraction is used to represent groups
 of characters, such as the letters or digits.  A character set may
-contain any ``bitless'' character.  Alternatively, a character set can
-be treated as a set of code points.
+contain any character.  Alternatively, a character set can be treated
+as a set of code points.
+
+Implementation note: MIT/GNU Scheme allows any ``bitless'' character
+to be stored in a character set; operations that accept characters
+automatically strip their bucky bits.
 
 @deffn procedure char-set? object
 @cindex type predicate, for character set
@@ -549,7 +553,7 @@ identical.
 
 An @var{element} can take several forms, each of which specifies one
 or more characters to include in the resulting character set: a
-(bitless) character includes itself; a string includes all of the characters it
+character includes itself; a string includes all of the characters it
 contains; a character set includes its members; or a code-point range
 includes the corresponding characters.
 

diff --git a/doc/ref-manual/strings.texi b/doc/ref-manual/strings.texi
index c6af04fbe2db7093bd1a09712820a876ad44a690..a5e979b6a5e787f6eee38f88696bbb752765d262 100644 (file)
--- a/doc/ref-manual/strings.texi
+++ b/doc/ref-manual/strings.texi
@@ -95,7 +95,8 @@ allow characters U+0001 to U+00FF (the Latin-1 repertoire without
 
 Implementation note: MIT/GNU Scheme allows any ``bitless'' character
 to be stored in a string.  In effect this means any character with a
-Unicode code point, including surrogates.
+Unicode code point, including surrogates.  String operations that
+accept characters automatically strip their bucky bits.
 
 It is an error to pass such a forbidden character to
 @code{make-string}, @code{string}, @code{string-set!}, or