From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jakub Narebski <jnareb@gmail.com>
Subject: Re: [RFC] Git config file reader in Perl (WIP)
Date: Fri, 19 Jan 2007 13:25:05 +0100
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References: <200701150144.56793.jnareb@gmail.com> <200701171500.33220.jnareb@gmail.com> <200701191310.32417.jnareb@gmail.com>
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Cc: Nikolai Weibull <now@bitwi.se>, Junio C Hamano <junkio@cox.net>,
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To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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Jakub Narebski wrote:
> Jakub Narebski wrote:
> 
>> BTW. it looks like C escape sequences are parsed, but not octal
>> escape sequences, nor no-op escaping other character.
>  
> From a bit of testing, as documentation of config file format
> is woefully incomplete, (yes, I know I should use the source)
> _some_ of C escape sequences aka. character escape codes (CEC)
> are parsed:
>  - "\t", tab character (HT, TAB)
>  - "\n", newline (NL)
>  - "\b", backspace (BS)
> It's a bit strange that "\b" is parsed...
[...]
> Values of configuration variables can span multiple lines by escaping
> newline, i.e. putting \ as the last character. Nice.

>>From config.c:parse_value:73

		if (c == '\\') {
			c = get_next_char();
			switch (c) {
			case '\n':
				continue;
			case 't':
				c = '\t';
				break;
			case 'b':
				c = '\b';
				break;
			case 'n':
				c = '\n';
				break;
			/* Some characters escape as themselves */
			case '\\': case '"':
				break;
			/* Reject unknown escape sequences */
			default:
				return NULL;
			}

-- 
Jakub Narebski
Poland