(was only set on BMP output to length of BMP pixel array)
EXCODE39: change to display check digit in HRT by default
CODE39/EXCODE39/LOGMARS: new hidden check digit option
(`option_2 = 2`)
qr.c: suppress bogus gcc-13 warning (only appears on optimize)
GUI: move some symbology-specific options into Data Tab so
separate tab unnecessary (those with few options and no
Composite/ECI), namely: all C25XXX, CODE39/EXCODE39/LOGMARS,
MSI_PLESSEY, CODABAR, DAFT, DPD, MAILMARK_2D, ITF-14, PZN,
UPNQR, CHANNEL, CODE93 and VIN, adjusting grp uis.
change Data dialog button (ellipsis) QToolButton -> QPushButton
& vice versa zap/clear/eye/swap/scale buttons QPushButton ->
QToolButton for better mac compat (also makes sense);
remove some mac hacks that no longer seem necessary;
use folder icon for Export dialog directory button
manual: document new Symbology-specific groupbox & CODE39/etc
hidden check digit option; add annexes on Qt and Tcl backends;
narrow some tables for better txt output;
remove echoed image tags in txt (pandoc 3.1.5 regression?);
add one-page HTML output to Makefile; also tex output (debug);
add class attributes to images to aid HTML styling;
various other fiddlings
Rename barcode funcs to same as BARCODE_XXX name
library: barcode funcs array for dispatch, used for ZBarcode_ValidID() also
general: change is_sane() comparison to nonzero from ZINT_ERROR_INVALID_OPTION
MAILMARK: fuller error messages
CODABAR: add option to show check character in HRT
zint.h: use 0xNNNN for OR-able defines
GUI: add guard descent height reset button, add Zint version to window title,
static get_zint_version() method, use QStringLiteral (QSL shorthand),
use SIGNAL(toggled()), add errtxt "popup" and status bar, add icons,
add saveAs shortcut, add main menu, context menus and actions, add help,
reset_view() -> reset_colours(), add copy to clipboard as EMF/GIF/PNG/TIF,
lessen triggering of update_preview(), shorten names of getters/setters,
simplify/shorten some update_preview() logic in switch,
CODEONE disable structapp for Version S
qzint.cpp: add on_errored signal, add missing getters, add test
PLESSEY: add options NCR weighted mod-10, hide check digit(s) in HRT
test suite: now runnable under MSVC 2019, 2017, 2015, MinGW/MSYS
win32/README: update with MSVC 2019 and CMake instructions
