libedit

Replaces readline
macos uses libedit as its default line editing and history library

Prepare

Depends on the file command?
libedit only checks if __STDC_ISO_10646__ is defined (and not its value) and musl defines it in stdc-predef.h which gcc includes by default unlike clang
musl also provides sys/ttydefaults.h

Package

inputrc is not needed
Prefer symlinks to editline/readline.h instead of touching empty history.h, readline.h and tilde.h headers or having #include <editline/readline.h> inside
Prefer symlinks to libedit.so instead of linker scripts INPUT(-ledit)

`editrc`

bind -e and bind -v reset the bindings so run them as early as possible
bind -k up ... is identical to bind "\e[A" ...
bind -k down ... is identical to bind "\e[B" ...
Prefer ed-search-prev-history to ed-prev-history and ed-search-next-history to ed-next-history for friendlier incremental prefix search
We might need to append history size 1024 and history unique 1 lines to editrc unless they’re the default behavior

Keys and Macros

"\e[1;5C" :: ctrl + right
"\e[1;5D" :: ctrl + left
"\e[1~"   :: home
"\e[3;5~" :: ctrl + delete
"\e[3~"   :: delete
"\e[4~"   :: end
"\e[5C"   :: ctrl + right
"\e[5D"   :: ctrl + left
"\e[5~"   :: page up
"\e[6~"   :: page down
"\e[7~"   :: home (rxvt)
"\e[8~"   :: end (rxvt)
"\eOc"    :: ctrl + right (rxvt)
"\eOd"    :: ctrl + left (rxvt)
"^R"      :: ctrl + r
"^W"      :: ctrl + w

References