games/mix: document -g option, rename tests to examples as it is in the man page

[plan9front.git] / sys / man / 6 / utf

diff --git a/sys/man/6/utf b/sys/man/6/utf
index 92f7c9534719d2f1d1408524a2457223469879fa..7d15b81857444fda905d33757b4ea4e135610749 100644 (file)
--- a/sys/man/6/utf
+++ b/sys/man/6/utf
@@ -7,7 +7,7 @@ based on the Unicode Standard and on the ISO multibyte
 .SM UTF-8
 encoding (Universal Character
 Set Transformation Format, 8 bits wide).
-The Unicode Standard represents its characters in 16
+The Unicode Standard represents its characters in 21
 bits;
 .SM UTF-8
 represents such
@@ -19,7 +19,7 @@ is shortened to
 .PP
 In Plan 9, a
 .I rune
-is a 16-bit quantity representing a Unicode character.
+is a 32-bit quantity representing a Unicode character.
 Internally, programs may store characters as runes.
 However, any external manifestation of textual information,
 in files or at the interface between programs, uses a
@@ -65,19 +65,21 @@ a rune x is converted to a multibyte
 sequence
 as follows:
 .PP
-01.   x in [00000000.0bbbbbbb] → 0bbbbbbb
+001.   x in [00000000.00000000.0bbbbbbb] → 0bbbbbbb
 .br
-10.   x in [00000bbb.bbbbbbbb] → 110bbbbb, 10bbbbbb
+010.   x in [00000000.00000bbb.bbbbbbbb] → 110bbbbb, 10bbbbbb
 .br
-11.   x in [bbbbbbbb.bbbbbbbb] → 1110bbbb, 10bbbbbb, 10bbbbbb
+011.   x in [00000000.bbbbbbbb.bbbbbbbb] → 1110bbbb, 10bbbbbb, 10bbbbbb
+.br
+100.   x in [000bbbbb.bbbbbbbb.bbbbbbbb] → 11110bbb, 10bbbbbb, 10bbbbbb, 10bbbbbb
 .br
 .PP
-Conversion 01 provides a one-byte sequence that spans the
+Conversion 001 provides a one-byte sequence that spans the
 .SM ASCII
 character set in a compatible way.
-Conversions 10 and 11 represent higher-valued characters
-as sequences of two or three bytes with the high bit set.
-Plan 9 does not support the 4, 5, and 6 byte sequences proposed by X-Open.
+Conversions 010, 011 and 100 represent higher-valued characters
+as sequences of two, three or four bytes with the high bit set.
+Plan 9 does not support the 5 and 6 byte sequences proposed by X-Open.
 When there are multiple ways to encode a value, for example rune 0,
 the shortest encoding is used.
 .PP