# It's a parameter/variable name and not a spelling error.
spelling-error-in-binary abitrate arbitrate [usr/bin/mplayer]
#the acute accent is mostly used to highlight a string; it's neither an apostrophe nor an opening/ closing quote, nor a backslash.
acute-accent-in-manual-page [usr/share/man/*]
#it's part of a sed command
bash-term-in-posix-shell 's/[]()|' [usr/share/mplayer/midentify.sh:17]
