3 files changed, 17 insertions, 24 deletions
diff --git a/vendor/librune/man/u8gnext.3 b/vendor/librune/man/u8gnext.3
index 0053aa5..e50c250 100644
--- a/vendor/librune/man/u8gnext.3
+++ b/vendor/librune/man/u8gnext.3
@@ -1,4 +1,4 @@
-.Dd January 18 2024
+.Dd January 27 2024
 .Dt U8GNEXT 3
 .Os
 .Sh NAME
@@ -8,7 +8,7 @@
 .Lb librune
 .Sh SYNOPSIS
 .In gbrk.h
-.Ft "const char8_t *"
+.Ft size_t
 .Fn u8gnext "struct u8view *v" "const char8_t **s" "size_t *n"
 .Sh DESCRIPTION
 The
@@ -33,11 +33,8 @@ manual.
 .Sh RETURN VALUES
 The
 .Fn u8gnext
-function returns the updated value of
-.Fa s
-or
-.Dv NULL
-at the end of iteration.
+function returns the length of the grapheme iterated over in bytes,
+or 0 at the end of iteration.
 .Sh EXAMPLES
 The following calls to
 .Fn u8gnext
diff --git a/vendor/librune/man/u8next.3 b/vendor/librune/man/u8next.3
index 93a4f5d..eabf2a2 100644
--- a/vendor/librune/man/u8next.3
+++ b/vendor/librune/man/u8next.3
@@ -1,4 +1,4 @@
-.Dd January 18 2024
+.Dd January 27 2024
 .Dt U8NEXT 3
 .Os
 .Sh NAME
@@ -9,9 +9,9 @@
 .Lb librune
 .Sh SYNOPSIS
 .In utf8.h
-.Ft "const char8_t *"
+.Ft int
 .Fn u8next "rune *ch" "const char8_t **s" "size_t *n"
-.Ft "const char8_t *"
+.Ft int
 .Fn u8prev "rune *ch" "const char8_t **s" "const char8_t *start"
 .Sh DESCRIPTION
 The
@@ -48,11 +48,9 @@ The
 .Fn u8next
 and
 .Fn u8prev
-functions return the updated value of
-.Fa s
-or
-.Dv NULL
-at the end of iteration.
+functions return the length of the UTF-8-encoded rune iterated over in
+bytes,
+or 0 at the end of iteration.
 .Sh EXAMPLES
 The following calls to
 .Fn u8next
@@ -63,14 +61,13 @@ iterate over and print all the codepoints in
 
 #define STRING u8"Ta’ Ħaġrat"
 
+int w;
 rune ch;
 const char8_t *s = STRING;
 size_t n = sizeof(STRING) - 1;
 
-while (u8next(&ch, &s, &n)) {
-	int w = u8wdth(ch);
+while (w = u8next(&ch, &s, &n))
 	printf("U+%04" PRIXRUNE ": ‘%.*s’\en", ch, w, s - w);
-}
 .Ed
 .Pp
 The following example is the same as the previous,
@@ -82,6 +79,7 @@ function to iterate backwards.
 
 #define STRING u8"Ta’ Ħaġrat"
 
+int w;
 rune ch;
 const char8_t *s, *start;
 size_t n = sizeof(STRING) - 1;
@@ -89,10 +87,8 @@ size_t n = sizeof(STRING) - 1;
 start = STRING;
 s = start + n;
 
-while (u8prev(&ch, &s, start)) {
-	int w = u8wdth(ch);
+while (w = u8prev(&ch, &s, start))
 	printf("U+%04" PRIXRUNE ": ‘%.*s’\en", ch, w, s);
-}
 .Ed
 .Sh SEE ALSO
 .Xr rune 3 ,
diff --git a/vendor/librune/man/u8set.3 b/vendor/librune/man/u8set.3
index 307f84e..d579b0b 100644
--- a/vendor/librune/man/u8set.3
+++ b/vendor/librune/man/u8set.3
@@ -1,4 +1,4 @@
-.Dd January 18 2024
+.Dd January 27 2024
 .Dt U8SET 3
 .Os
 .Sh NAME
@@ -10,9 +10,9 @@
 .Sh SYNOPSIS
 .In utf8.h
 .Ft int
-.Fn rtou8 "const char8_t *s" "rune ch" "size_t n"
+.Fn rtou8 "char8_t *s" "rune ch" "size_t n"
 .Ft size_t
-.Fn u8set "const char8_t *s" "rune ch" "size_t n"
+.Fn u8set "char8_t *s" "rune ch" "size_t n"
 .Sh DESCRIPTION
 The
 .Fn rtou8