Patch #244 - 2009/8/9 * refactored storage of saved-lines, providing a configure option to manage them as a FIFO (actually a circular buffer), improving performance. Added configure option --enable-fifo-lines to enable/disable the new feature (it is enabled by default). * added fastScroll resource, to amuse people who measure terminal emulator performance by cat'ing large files to the screen. * modify check in readPtyData from return values to provide exit on zero-bytes read from pty for FreeBSD, or eliminate high-CPU in "xterm-hold" processing (discussion with Ulrich Spoerlein, FreeBSD ports/136686). The check was originally modified to combine negative/zero values in XFree86-3.1.2E, 1996/05/06. * add configure option --enable-16bit-chars to provide wide-characters with 16-bits (rather than the default 32-bits). * add retryInputMethod resource to allow configuring out the retries xterm uses to connect to non-responsive XIM server, to work around defective X configurations as noted in NetBSD mailing list. * make regular-expression selection work for VT100 double-sized characters. * improve layout when drawing missing characters in a proportional font, e.g., as boxes, to take into account whether they are double-width (report by Guilbert Stabilo on comp.unix.shell). * add capability for keypad-center (kb2/KA2) to termcap entry for xterm-new, as well as xterm-8bit, xterm-sun and xterm-vt220 (FreeBSD conf/136336). * change default for keepSelection resource to true (prompted by discussion with David Muir Sharnoff). * remove a limit-check in ptydata.c, allowing Unicode values past 64k to be displayed using TrueType fonts (Debian #458432). * remove a vt52-specific ifdef to allow mapping F1-F4 to PF1-PF4 when vt52 support is not compiled (report by Olaf 'Rhialto' Seibert). * save/restore line-wrapping flags when converting from ISL-8859-1 encoding to UTF-8 encoding, as well as when resizing screen. * remove extra adjustment of position in fix for Debian #418324. * modify default check for mkWidth resource to check for line-drawing characters, which are categorized as double-width in Solaris 10 (report by Sebastian Kayser). * add "print-everything" action (patch by Ovidiu Gheorghioiu). * start refactoring scrollback data using new getLineData() function. * demote recent change to Debian #252873 fix to experimental, ifdef'd out as EXP_BOGUS_FG (Debian #522141). * work around groff mapping of ASCII quotes using macros (requested by Reuben Thomas based on Colin Watson advice, fixes Debian #378700). * correct symbol used for default of allowWindowOps which was DEF_ALLOW_FONT rather than DEF_ALLOW_WINDOW (report by Matthieu Herrb). * amend fix for tek4014 from patch #243 to make it only apply to the Tek Options menu.
-- Thomas E. Dickey http://invisible-island.net ftp://invisible-island.net
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