2023-08-01 Version 1.0

	Utility:
	* add: comments to --save-theme output file.
	* add: blink, halfbright, highlight to --save-theme and --load-theme.
	* add: theme.menu.[f_]prefixcolor to --save-theme and --load-theme.
	* add: --datebox-format <d/m/y|m/d/y|y/m/d> to set --datebox UI.
	* add: --help-print-items (--help-status becomes alias).
	* add: --text-escape (--colors becomes alias).
	* add: new escapes \Zd, \Zk, \Zs, \ZD, \ZK, \ZS, for --text-escape.
	* add: env NO_COLOR, to set blackwhite theme.
	* add: $HOME/.bsddialog.conf startup theme file.
	* add: env BSDDIALOG_THEMEFILE startup theme file.
	* add: --left1-button <label>.
	* add: --left2-button <label>.
	* add: --left3-button <label>.
	* add: --right1-button <label>.
	* add: --right2-button <label>.
	* add: --right3-button <label>.
	* add: dynamic exit codes.
	    - add: --error-exit-code.
	    - add: --ok-exit-code.
	    - add: --cancel-exit-code.
	    - add: --help-exit-code.
	    - add: --extra-exit-code.
	    - add: --timeout-exit-code.
	    - add: --esc-exit-code.
	    - add: --left1-exit-code.
	    - add: --left2-exit-code.
	    - add: --left3-exit-code.
	    - add: --right1-exit-code.
	    - add: --right2-exit-code.
	    - add: --right3-exit-code.
	    - add: env BSDDIALOG_ERROR.
	    - add: env BSDDIALOG_OK.
	    - add: env BSDDIALOG_CANCEL.
	    - add: env BSDDIALOG_HELP.
	    - add: env BSDDIALOG_EXTRA.
	    - add: env BSDDIALOG_TIMEOUT.
	    - add: env BSDDIALOG_ESC.
	    - add: env BSDDIALOG_LEFT1.
	    - add: env BSDDIALOG_LEFT2.
	    - add: env BSDDIALOG_LEFT3.
	    - add: env BSDDIALOG_RIGHT1.
	    - add: env BSDDIALOG_RIGHT2.
	    - add: env BSDDIALOG_RIGHT3.
	* add: undocumented envs for bsdconfig(8) compatibility.
	    - env BSDDIALOG_COMPATRC for use_shadow setting.
	    - env BSDDIALOG_ITEM_HELP to add/set exit code.
	* change: rename themes --theme <3d|blackwhite|flat>.
	* change: --no-names and --no-descriptions mutually exclusive (via lia).
	* change: quote only checklist output items if necessary. Previously
	    also radiolist item.
	* change: dialogs with user input print always values except with ERROR,
	    ESC, Cancel. Previously the situation was quite heterogeneous.
	* improve: DIAGNOSTIC messages adding fmt string errors.
	* improve: disable theme setting (opt and env) with no-color terminals.
	* improve: menus on|off status (strcasecmp, diagnostic, real off check).
	* improve: --bikeshed with button delimiter and --date-format.
	* improve: --textbox accepts button options.
	* improve: Forms with Help button.
	    - print "HELP" (like menus).
	    - accept --help-list-items.
	    - accept --help-print-name.
	* fix: --load-theme attributes.
	* fix: --clear-screen with --and-dialog.
	* delete: --theme <bsddialog> (partially implemented).
	* delete: --esc-return-cancel (replaced by new env and option).
	* delete: --generic-button1 (replaced by --right1-button).
	* delete: --generic-button2 (replaced by --right2-button).
	* refactor: modularize in more files (main, cli, builders, theme).

	Library:
	* add: bsddialog_inmode().
	* add: bsddialog_clear(y) for utility --clear-screen.
	* add: bsddialog_refresh() for utility terminal mode options.
	* add: conf.date.format="d/m/y"|"m/d/y"|"y/m/d" to customize
	    bsddialog_datebox() UI (boxes) with a date format.
	* add: 'const char *end' to bsddialog_gauge().
	* add: draw focus on the shortcut-key-selected button at exit.
	* add: escapes for conf.text.highlight \Zd, \Zk, \Zs, \ZD, \ZK, \ZS.
	* add: other theme flags.
	    - BSDDIALOG_BLINK.
	    - BSDDIALOG_HALFBRIGHT.
	    - BSDDIALOG_HIGHLIGHT.
	* add: generic buttons.
	    - conf.button.left1_label, BSDDIALOG_LEFT1 return value.
	    - conf.button.left2_label, BSDDIALOG_LEFT2 return value.
	    - conf.button.left3_label, BSDDIALOG_LEFT3 return value.
	    - conf.button.right1.label, BSDDIALOG_RIGHT1 return value.
	    - conf.button.right2.label, BSDDIALOG_RIGHT2 return value.
	    - conf.button.right3.label, BSDDIALOG_RIGHT3 return value.
	* add: unused bsddialog_menugroup.min_on for future features.
	* add: theme.menu.f_prefixcolor and theme.menu.prefixcolor.
	* improve: check (when possible) API pointers.
	* improve: circolar buttons with left and right keys for msgbox, yesno,
	    menus, rangebox and pause.
	* improve: bsddialog_textbox() handles conf.buttons.
	* improve: bsddialog_datebox() a box change affects the others as well.
	* improve: bsddialog_geterror() with fmt strings.
	* change: API NULL strings handled like "", except gauge *sep and *end.
	* change: menus and form less restrictive with text, hide text with
	    little screens (same behavior as other dialogs).
	* change: mixedgauge BSDDIALOG_MG_BLANK does not draw minibar but prints
	    minilabel. The change allows mixedgauge to add sections. To restore
	    the previous behavior setting minilabel to "".
	* change: check/set bsddialog_gauge() perc max 100.
	* change: check/set bsddialog_mixedgauge() mainperc max 100.
	* change: conf.menu.no_name and conf.menu.no_desc mutually exclusive.
	* change: bsddialog_pause() sec -> *sec to know remaining time at exit.
	* change: add *focusitem to bsddialog_form() like menus.
	* change: "pointer" values are always set except when BSDDIALOG_ERROR
	    occurs. Examples *yy/*mm/*ss, rangebox *value.
	    - delete conf.menu.on_without_ok.
	    - delete conf.form.value_without_ok.
	* rename: conf.text.highlight -> conf.text.escape.
	* rename: theme.menu.namesepcolor -> theme.menu.sepnamecolor.
	* rename: theme.menu.descsepcolor -> theme.menu.sepdesccolor.
	* fix: bsddialog_pause() elevation bar after resize.
	* fix: bsddialog_textbox() key '0'.
	* fix: timebox.c checksize (boxes width).
	* fix: extend menurows after shrink and enlarge.
	* fix: menu pad and form pad "re-expansion" after shrink and enlarge.
	* fix: shadow top-left corner (trick wresize() before wmove()).
	* fix: increment bsddialog_total_progview size for more general use.
	* delete: BSDDIALOG_THEME_BSDDIALOG (partially implemented).
	* delete: conf.button.generic1_label (for new conf.button.right1_label).
	* delete: BSDDIALOG_GENERIC1 return value (new BSDDIALOG_RIGHT1).
	* delete: conf.button.generic2_label (for new conf.button.right2_label).
	* delete: BSDDIALOG_GENERIC2 return value (new BSDDIALOG_RIGHT2).
	* delete: bsddialog_clearterminal(), replaced by bsddialog_clear(y).
	* refactor: internal implementation.
	    - add: internal structures to represent components.
	    - merge: (when possible) dialogs autosize.
	    - merge: (when possible) dialogs checksize.
	    - merge: for each dialog "build" with "update" -> <dialog>_redraw().
	    - merge: new_dialog() with update_dialog() -> draw_dialog().
	    - merge: infobox.c with messagebox.c (delete infobox.c)
	    - merge: bsddialog_datebox() + bsddialog_calendar() -> datebox.c
	    - change: flat and blackwhite real themes, 3d adapted from flat.
	    - improve: replace wrefresh() -> wnoutrefresh()/doupdate().
	    - improve: replace prefresh() -> pnoutrefresh()/doupdate().
	    - improve: menu split code to build private items.
	    - improve: form split code to build private items.
	    - delete: -Wno-implicit-fallthrough.


2023-06-12 Version 0.4.2

	Library:
	* fix: compile error with aarch64-gcc12 for "\Z[0-7]" check;
	    https://gitlab.com/alfix/bsddialog/-/issues/5.
	* fix: BSDDIALOG_FIELDCURSOREND with multiple items
	    (warning aarch64-gcc12).


2023-01-02 Version 0.4.1

	Utility:
	* fix: default space separator menus output, except if --separator " ".
	* rename: GNUMakefile to GNUmakefile to simplify linux build.
	    Thanks to https://gitlab.com/alfix/bsddialog/-/merge_requests/2.

	Library:
	* fix: t.dialog.linelowercolor no bold-black, some terminal draws grey.
	* fix: text wrapping (actual string length) with --colors.
	* rename: GNUMakefile to GNUmakefile to simplify linux build.
	    Thanks to https://gitlab.com/alfix/bsddialog/-/merge_requests/2.


2022-09-24 Version 0.4

	Utility:
	* add: --normal-screen to set normal mode.
	* add: --alternate-screen to set alternate mode.
	* add: --keep-tite as --alternate-screen alias.
	* add: --and-dialog to build other dialogs.
	* add: --and-widget as --and-dialog alias.
	* add: --no-names (--no-tags becomes alias).
	* add: --no-descriptions (--no-items becomes alias).
	* add: --help-print-name (--help-tags becomes alias).
	* add: --item-bottom-desc (--item-help becomes alias).
	* add: --cr-wrap (was partially implemented) to keep '\n' with "\n".
	* add: --text-unchanged to avoid default modification.
	* add: --tab-escape to enable "\t" in text.
	* add: --clear-screen to clear the screen.
	* add: --clear-dialog to clear the dialog (was --clear).
	* add: --calendar dialog to select a date.
	* add: DIAGNOSTICS messages for bad arguments number.
	* add: DIAGNOSTICS messages for missing and unexpected options.
	* change: --clear becomes alias for --clear-screen.
	* change: --print-maxsize format output.
	* change: --menu, --radiolist, --checklist and --treeview output.
	    - no printed items with Cancel or ESC.
	    - --separator prints <sepstr> before each item except HELP.
	    - --separator and --separate-output print <sepstr> after each item.
	    - quoted item name/desc only when needed.
	    - --menu avoids to print selected item after focused HELP item.
	* change: text default modification.
	    - without a "\n": '\t' -> space, '\n' -> '\n', trim spaces.
	    - with a "\n": '\t' -> space, '\n' -> space, "\n" -> '\n', no trim.
	    - delete '\n' after "\n" (also with --cr-wrap).
	* change: --datebox input and output format yy/mm/dd -> dd/mm/yy.
	* delete: --no-collapse (partially implemented).
	* delete: --no-nl-expand (partially implemented).
	* delete: --trim (partially implemented).

	Library:
	* add: bsddialog_msgbox() HOME, END, PPAGE and NPAGE keys.
	* add: bsddialog_yesno() HOME, END, PPAGE and NPAGE keys.
	* add: bsddialog_menu() SPACE key (equivalent to ENTER).
	* add: bsddialog_calendar() to select a date.
	* change: rename enum bsddialog_grouptype -> enum bsddialog_menutype.
	* change: fixed-menurows becomes at most menurows (depending on text).
	* change: fixed-rows becomes at most rows, min(rows, screenH - shadow).
	* change: fixed-cols becomes at most cols, min(cols, screenW - shadow).
	* delete: undocumented internal bsddialog_menuitem.depth factor (was 2).


2022-08-29 Version 0.3

	Utility:
	* add: --textbox accepts options for the first button.
	* add: --columns-per-row for text autosizing.
	* add: --load-theme to read and set a custom theme at runtime.
	* add: --save-theme to save current theme.
	* add: --bikeshed for random settings.
	* add: --switch-buttons to enable buttons/input widgets focus switching.
	       Available for: --form, --inputbox, --mixedform, --passwordform,
	       --passwordbox, --timebox and --datebox.
	* change: rename --esc-cancelvalue to --esc-return-cancel.
	* change: form field value is printed like multibyte charachter string,
	          previously widechar string.
	* change: --timebox output with zero padding.
	* change: --datebox output mm and dd with zero padding.
	* fix: --hline with empty string.
	* fix: avoid to overlay the backtitle by setting a top margin.
	* fix: avoid to overlay down shadow with menus and forms bottomdesc
	       by setting a down margin.
	* fix: --form read-only flag with multiple fields.

	Library:
	* add: conf.auto_topmargin and conf.auto_downmargin.
	* add: bsddialog_textbox() accepts conf.button.* for the first button.
	* add: bsddialog_textbox() arrows and percentage.
	* add: conf.text.cols_per_row to set a ratio for text autosizing.
	* add: timebox and datebox arrows and focus background for boxes.
	* add: timebox and datebox UP key to switch focus.
	* add: bsddialog_init_notheme() in bsddialog.h.
	* add: bsddialog_hascolors() in bsddialog_theme.h.
	* add: theme.form.bottomdesccolor and theme.menu.bottomdesccolor.
	* add: conf.button.always_active to disable buttons/input-boxes switch.
	* add: dynamic buttons margin.
	    - add: theme.button.minmargin and theme.button.maxmargin.
	    - delete: theme.button.hmargin.
	* add: Unicode.
	    - UI handles multicolumn charachters: backtitle, title,
	      text (word wrapping, autosizing), menus (shortcuts, name, desc),
	      forms (label, field), textbox, mixedgauge (minilabel),
	      buttons (label, shortcuts), bottomtitle.
	    - API handles char* arguments like multibyte charachter string,
	      depending on the current locale.
	    - Internally wide charachters are used to get input from keyboard
	      and to adapt word wrapping and dynamic text autosizing to
	      muticolumn charachters.
	* refactoring: (rewrite) form.c.
	    - delete: libformw dep implementing its features from scratch.
	    - delete: maxvaluelen >= valuelen constraint.
	    - delete: conf.form.enable_wchar, get always unicode (wchar) input.
	    - add: KEY_HOME, KEY_END, KEY_PPAGE, KEY_NPAGE keys in field.
	    - add: KEY_UP can move focus from buttons to fields.
	    - add: KEY_DOWN can move focus from item to buttons, if nitem is 1.
	    - add: conf.form.securembch secure multibyte charachter.
	    - add: BSDDIALOG_FIELDNOCOLOR for formitem.flags.
	    - add: BSDDIALOG_FIELDCURSOREND for formitem.flags.
	    - add: BSDDIALOG_FIELDEXTEND for formitem.flags.
	    - add: BSDDIALOG_FIELDSINGLEBYTE for formitem.flags.
	    - add: resizing and refresh after KEY_RESIZE (SIGWINCH).
	    - add: items scrolling.
	    - add: conf.form.value_wchar, value is wchar_t* instead of MB-char*.
	    - add: formheight autosizing.
	    - add: dynamic item position.
	* fix: bsddialog_gauge() with fd < 0.
	* fix: bsddialog_gauge() refresh new text.
	* fix: internal segmentation fault with disabled shadow.
	* fix: center position without shadow.
	* fix: bsddialog_infobox() with zero text length.
	* fix: text wrapping with more than 1024 words.
	* fix: rename theme.shadow.h to theme.shadow.y.
	* fix: rename theme.shadow.w to theme.shadow.x.
	* fix: menurows autosize with fixed rows improving text_size().
	* fix: messagebox.c scrolling and checksize without text.


2022-03-02 Version 0.2

	Utility:
	* add: (this) CHANGELOG.
	* add: "menus" print item with focus (except with OK and ERROR).
	* add: pause.sh example.
	* add: timebox.sh example.
	* change: --theme name "default" -> "flat".
	* delete: treeview.sh example.
	* fix: --separate-output does not quote (except with --quoted).
	* fix: --datebox and --date-format month in output.
	* improve: examples handle exit status.

	Library:
	* add: conf.form.enable_wchar for wide characters in bsddialog_form().
	* add: theme.menu.f_selectorcolor.
	* add: formw.c example.
	* change: move conf.f1_file and conf.f1_message in conf.key.
	* change: theme.button.[left|right]ch -> theme.button.[left|right]delim.
	* change: theme.button.space -> theme.button.hmargin.
	* change: theme.menu.arrowcolor -> theme.dialog.arrowcolor.
	* change: internal bsddialog_menuitem.depth factor 4 -> 2.
	* fix: disable HOME, PPAGE, END and NPAGE keys in bsddialog_form().
	* fix: visible cursor for timebox.c and form.c in VM VirtualBox.
	* fix: mixedlist, center position of separator with big pad.
	* fix: timebox and datebox set values only with BSDDIALOG_OK.
	* fix: menurows autosize with fullscreen.
	* fix: bar color with 0%.
	* fix: bar label position.
	* improve: timebox and datebox navigation (keys, buttons and shortcuts).
	* improve: "menus" colors for accessibility.


2022-01-27 Version 0.1

	* Options: --ascii-lines, --backtitle <backtitle>, --begin-x <x>,
	  --begin-y <y>, --cancel-label <label>, --clear, --colors, --cr-wrap,
	  --date-format <format>, --defaultno, --default-button <label>,
	  --default-no, --default-item <name>, --disable-esc,
	  --esc-cancelvalue, --exit-label <label>, --extra-button,
	  --extra-label <label>, --generic-button1 <label>,
	  --generic-button2 <label>, --help, --help-button,
	  --help-label <label>, --help-status, --help-tags,
	  --hfile <filename>, --hline <string>, --hmsg <string>, --ignore,
	  --insecure, --item-depth, --item-help, --items-prefix,
	  --max-input <size>, --no-cancel, --nocancel, --no-collapse,
	  --no-items, --no-label <label>, --no-lines, --no-nl-expand,
	  --no-ok, --nook, --no-shadow, --no-tags, --ok-label <label>,
	  --output-fd <fd>, --output-separator <sep>, --print-maxsize,
	  --print-size, --print-version, --quoted, --separate-output,
	  --separator <sep>, --shadow, --single-quoted, --sleep <secs>,
	  --stderr, --stdout, --tab-len <spaces>,
	  --theme <blackwhite|bsddialog|default|dialog>,
	  --time-format <format>, --title <title>, --trim, --version,
	  --yes-label <label>.
	* Dialogs: --checklist, --datebox, --form, --gauge, --infobox,
	  --inputbox, --menu, --mixedform, --mixedgauge, --msgbox,
	  --passwordbox, --passwordform, --pause, --radiolist, --rangebox,
	  --textbox, --timebox, --treeview, --yesno.
	* Manuals: bsddialog.1, bsddialog.3.