Less version 661

Version 661 was released for general use on 30 June 2024.

These are the differences between version 643 and version 661:

• Add ^O^N, ^O^P, ^O^L and ^O^O commands and mouse clicks (with --mouse) to find and open OSC8 hyperlinks (github #251).
• Add --match-shift option.
• Add --lesskey-content option (github #447).
• Add LESSKEY_CONTENT environment variable (github #447).
• Add --no-search-header-lines and --no-search-header-columns options (github #397).
• Add ctrl-L search modifier (github #367).
• A ctrl-P at the start of a shell command suppresses the "done" message (github #462).
• Add attribute characters ('*', '~', '_', '&') to --color parameter (github #471).
• Allow expansion of environment variables in lesskey files.
• Add LESSSECURE_ALLOW environment variable (github #449).
• Add LESS_UNSUPPORT environment variable.
• Add line number parameter to --header option (github #436).
• Mouse right-click jumps to position marked by left-click (github #390).
• Ensure that the target line is not obscured by a header line set by --header (github #444).
• Change default character set to "utf-8", except remains "dos" on MS-DOS.
• Add message when search with ^W wraps (github #459).
• UCRT builds on Windows 10 and later now support Unicode file names (github #438).
• Improve behavior of interrupt while reading non-terminated pipe (github #414).
• Improve parsing of -j, -x and -# options (github #393).
• Support files larger than 4GB on Windows (github #417).
• Support entry of Unicode chars larger than U+FFFF on Windows (github #391).
• Improve colors of bold, underline and standout text on Windows.
• Allow --rscroll to accept non-ASCII characters (github #483).
• Allow the parameter to certain options to be terminated with a space (--color, --quotes, --rscroll, --search-options and --intr) (github #495).
• Fix bug where # substitution failed after viewing help (github #420).
• Fix crash if files are deleted while less is viewing them (github #404).
• Workaround unreliable ReadConsoleInputW behavior on Windows with non-ASCII input.
• Fix -J display when searching for non-ASCII characters (github #422).
• Don't filter header lines via the & command (github #423).
• Fix bug when horizontally shifting long lines (github #425).
• Add -x and -D options to lesstest, to make it easier to diagnose a failed lesstest run.
• Fix bug searching long lines with --incsearch and -S (github #428).
• Fix bug that made ESC-} fail if top line on screen was empty (github #429).
• Fix bug with --mouse on Windows when used with pipes (github #440).
• Fix bug in --+OPTION command line syntax.
• Fix display bug when using -w with an empty line with a CR/LF line ending (github #474).
• When substituting '#' or '%' with a filename, quote the filename if it contains a space (github #480).
• Fix wrong sleep time when system has usleep but not nanosleep (github #489).
• Fix bug when file name contains a newline.
• Fix bug when file name contains nonprintable characters (github #503).
• Fix DJGPP build (github #497).
• Update Unicode tables.