diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Tcl.n | 39 |
1 files changed, 22 insertions, 17 deletions
@@ -108,8 +108,8 @@ Variable substitution may take any of the following forms: \fIName\fR is the name of a scalar variable; the name is a sequence of one or more characters that are a letter, digit, underscore, or namespace separators (two or more colons). -Letters and digits are \fIonly\fR the standard ASCII ones (\fB0\fR\-\fB9\fR, -\fBA\fR\-\fBZ\fR and \fBa\fR\-\fBz\fR). +Letters and digits are \fIonly\fR the standard ASCII ones (\fB0\fR\(en\fB9\fR, +\fBA\fR\(en\fBZ\fR and \fBa\fR\(en\fBz\fR). .TP 15 \fB$\fIname\fB(\fIindex\fB)\fR . @@ -117,8 +117,8 @@ Letters and digits are \fIonly\fR the standard ASCII ones (\fB0\fR\-\fB9\fR, the name of an element within that array. \fIName\fR must contain only letters, digits, underscores, and namespace separators, and may be an empty string. -Letters and digits are \fIonly\fR the standard ASCII ones (\fB0\fR\-\fB9\fR, -\fBA\fR\-\fBZ\fR and \fBa\fR\-\fBz\fR). +Letters and digits are \fIonly\fR the standard ASCII ones (\fB0\fR\(en\fB9\fR, +\fBA\fR\(en\fBZ\fR and \fBa\fR\(en\fBz\fR). Command substitutions, variable substitutions, and backslash substitutions are performed on the characters of \fIindex\fR. .TP 15 @@ -158,25 +158,25 @@ handled specially, along with the value that replaces each sequence. .RS .TP 7 \e\fBa\fR -Audible alert (bell) (0x7). +Audible alert (bell) (Unicode U+000007). .TP 7 \e\fBb\fR -Backspace (0x8). +Backspace (Unicode U+000008). .TP 7 \e\fBf\fR -Form feed (0xc). +Form feed (Unicode U+00000C). .TP 7 \e\fBn\fR -Newline (0xa). +Newline (Unicode U+00000A). .TP 7 \e\fBr\fR -Carriage-return (0xd). +Carriage-return (Unicode U+00000D). .TP 7 \e\fBt\fR -Tab (0x9). +Tab (Unicode U+000009). .TP 7 \e\fBv\fR -Vertical tab (0xb). +Vertical tab (Unicode U+00000B). .TP 7 \e\fB<newline>\fIwhiteSpace\fR . @@ -194,8 +194,9 @@ Backslash \e\fIooo\fR . The digits \fIooo\fR (one, two, or three of them) give a eight-bit octal -value for the Unicode character that will be inserted, in the range \fI000\fR -- \fI377\fR. The parser will stop just before this range overflows, or when +value for the Unicode character that will be inserted, in the range +\fI000\fR\(en\fI377\fR (i.e., the range U+000000\(enU+0000FF). +The parser will stop just before this range overflows, or when the maximum of three digits is reached. The upper bits of the Unicode character will be 0. .TP 7 @@ -203,23 +204,27 @@ character will be 0. . The hexadecimal digits \fIhh\fR (one or two of them) give an eight-bit hexadecimal value for the Unicode character that will be inserted. The upper -bits of the Unicode character will be 0. +bits of the Unicode character will be 0 (i.e., the character will be in the +range U+000000\(enU+0000FF). .TP 7 \e\fBu\fIhhhh\fR . The hexadecimal digits \fIhhhh\fR (one, two, three, or four of them) give a sixteen-bit hexadecimal value for the Unicode character that will be -inserted. The upper bits of the Unicode character will be 0. +inserted. The upper bits of the Unicode character will be 0 (i.e., the +character will be in the range U+000000\(enU+00FFFF). .TP 7 \e\fBU\fIhhhhhhhh\fR . The hexadecimal digits \fIhhhhhhhh\fR (one up to eight of them) give a twenty-one-bit hexadecimal value for the Unicode character that will be -inserted, in the range U+0000..U+10FFFF. The parser will stop just +inserted, in the range U+000000\(enU+10FFFF. The parser will stop just before this range overflows, or when the maximum of eight digits is reached. The upper bits of the Unicode character will be 0. +.RS .PP -The range U+010000..U+10FFFD is reserved for the future. +The range U+010000\(enU+10FFFD is reserved for the future. +.RE .PP Backslash substitution is not performed on words enclosed in braces, except for backslash-newline as described above. |