From: Markus <markus@...>
Date: 2004-10-15T23:25:21+09:00
Subject: Re: Oniguruma Part 2

     I know how octal works, thanks.

     I also know that 8 is backspace, not bell.  Bell is 7.  Has been
for decades.

         -- Markus

      Oct Dec Hex Control-key    Control Action
NUL   0   0   0  ^@	Null character
SOH   1   1   1  ^A	Start of heading, = console interrupt
STX   2   2   2  ^B	Start of text, maintenance mode on HP console
ETX   3   3   3  ^C	End of text
EOT   4   4   4  ^D	End of transmission, not the same as ETB
ENQ   5   5   5  ^E	Enquiry, goes with ACK; old HP flow control
ACK   6   6   6  ^F	Acknowledge, clears ENQ logon hang
BEL   7   7   7  ^G	Bell, rings the bell		
 BS  10   8   8  ^H	Backspace, works on HP terminals/computers
 HT  11   9   9  ^I	Horizontal tab, move to next tab stop
 LF  12  10   a  ^J	Line Feed
 VT  13  11   b  ^K	Vertical tab
 FF  14  12   c  ^L	Form Feed, page eject
 CR  15  13   d  ^M	Carriage Return
 SO  16  14   e  ^N	Shift Out, alternate character set
 SI  17  15   f  ^O	Shift In, resume default character set
DLE  20  16  10  ^P	Data link escape
DC1  21  17  11  ^Q	XON, with XOFF to pause listings; &quot;okay to send&quot;	
DC2  22  18  12  ^R	Device control 2, block-mode flow control
DC3  23  19  13  ^S	XOFF, with XON is TERM=18 flow control
DC4  24  20  14  ^T	Device control 4
NAK  25  21  15  ^U	Negative acknowledge
SYN  26  22  16  ^V	Synchronous idle
ETB  27  23  17  ^W	End transmission block, not the same as EOT
CAN  30  24  18  ^X	Cancel line, MPE echoes !!!
 EM  31  25  19  ^Y	End of medium, Control-Y interrupt
SUB  32  26  1a  ^Z	Substitute
ESC  33  27  1b  ^[	Escape, next character is not echoed
 FS  34  28  1c  ^\	File separator
 GS  35  29  1d  ^]	Group separator
 RS  36  30  1e  ^^	Record separator, block-mode terminator
 US  37  31  1f  ^_ 	Unit separator



On Fri, 2004-10-15 at 00:04, Christian Kaiser wrote:
> > IIRC, \010 if backspace, not bell.  That would make 'a' (attention?) the
> > bell.
> 
> Nope.
> 
> \x010 is octal, so it's \x08 whis is bell.
> 
> Fortunately it is not in RegEx. Whatever that code is for, it's not used for
> the escapes.
> 
> I had a problem with '\w' only catching codes < 128 (simple 7 bit ASCII),
> but now I convert scripts and input data to UTF-8 (and select UTF-8 by
> ruby's command line), and this works perfectly. If only this would be
> readable. I'd rather have UTF-16 for everything (script and data), but
> well...
> 
> Christian
> 
> 
>