Location of functions

Question

If I run the declare command it returns some functions

$ declare -F | grep \'f [^_]\'
declare -f dequote
declare -f quote
declare -f quote_readl         


        

Answer 1

They are part of Bash-Completion

$ egrep '^(dequote|quote)'  /usr/share/bash-completion/bash_completion 
quote()
quote_readline()
dequote()