add support for DEL key and the macOS way of deleting chars default tip

use terminal default colors

correctly use unicode chars for white pieces

update uwproj

fix build for linkers that expect libs to come last

fix that PGN (with comments) can exceed 80 chars

add elapsed move time commands to PGN exports

fix that hours in clock should not have leading zeros

fix that the clock is not redrawn when receiving TIMEOVER command

fix missing support for 0+X time control

change return type of write_pgn to void

add clock times to PGN output

add API for formatting clocks

add API for calculating the clock for a specific move + fixes wrong handling of move time and increment in move 1

change move list from linked list to array (prepares game replays)

fix outdated hint on how to analyze a completed game

fix wrong way of granting permissions

fix missing domain socket permissions for other players

implement option to play via Unix domain socket

fix missing address family hint for getaddrinfo()

use port number instead of port string in network code

show whose turn it is in single mode game

add option that disables board flip in solo games

remove separate analyzepgn option

fix PGN parser

minor code improvements

update uwproj and simplify project file

update uwproj

disabling Unicode pieces is a general option

fix that network connection is still open during game review

remove unnecessary loop variable

fix incorrect error value when a move string is too long in a PGN

replace _Bool with bool from C23 and/or stdbool.h

fix debug and release flags after uwproj update + add warnings in debug mode

improve code structure

fix missing update of rules in chess subdir

update uwproj

fix typo in help text

fix compilation error when using C23

add .idea folder to .hgignore

improve Makefiles

add uwproj configure script generator

pgn parser can now handle comments (although it ignores them for now)

adds unicode support

error message when syntactically validating a King's move into a check position is now correct

verified that checkmate notation does work correctly

fixes ambiguity resolver in PGN output not resolving ambiguities for diagonally attacking Knights

PGN output now correctly breaks after black has also moved

fixes castling not printed correctly to PGN

move log has now three columns and starts scrolling after 45 moves

fixes move validation working on old king's position, when the king moves

fixes wrong macro expansion for is_attacked()

adds error messages to PGN reader

fixes inappropriate use of EXIT_ macros + adds a sample PGN file

simplifies Makefiles

using pkg-config in hand crafted make file

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