bash: cleanup

bash: update completion for newer bash-completion

bash: prompt: use trimmed pwd

bashrc: php aliases: php83

implement scripts with rc

bash: aliases to extract sigs/errnos from kernel header

bash: add gogrep

bash: refactor

set up flatpak

for digital restrictions mechanism with firefox

bash: imgcat: newline after sixels

for recent foot behavior change

bash: shorten escapes

bash: php 8.1/8.2 aliases

bash: emit prompt markers, use more standard st for osc

bash: make php alias defaults to php81

bash: imgcat: do not catch stderr

bash: tiocgwinsz: use stderr

bash: add alias for nvimpager and nvim

bash: completion: also try /usr/local

bash: add aliases for php 8.1

bash: remove mount and python from histignore