Less version 429

Version 429 was released on 11 Apr 2009.

These are the differences between version 418 and version 429:

• LESSOPEN pipe will now be used on standard input, if the LESSOPEN environment variable begins with "|-".
• The -D option with one number now means use the normal background color.
• Don't change permissions on history file if it is not a regular file.
• Fix non-ANSI-compliant code that caused problems with some compilers.
• Fix binary file detection in UTF-8 mode.
• Fix display problems with long lines on "ignaw" terminals.
• Fix problem interrupting the line number calculation for initial prompt.
• Fix SGR emulation when dealing with multiple attributes (eg. bold+underline).
• Fix highlight bug when searching for underlined/overstruck text.
• New "&" command allows filtering of lines based on a pattern.
• Status column now displays a search match, even if the matched string is scrolled off screen because -S is in effect.
• Improve behavior of -F option.
• Allow CSI character (0x9B) to work in UTF-8 mode.
• Output carriage return at startup in case terminal doesn't default to column 1.
• Fix bug in '' (quote, quote) command after G command.