In zsh, whenever I press Fn+Delete (which is forward delete) a tilde (~) gets inserted. This indicates zsh doesn't have the key bound.
How do I bind it, and make it behave normally (delete in front of the cursor)?
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First figure out what sequence it generates.
" | od -c
Then bind that sequence using the normal zsh bind mechanism.
For me the above didn't do the trick so I added the following key binding to my
bindkey "\e[3~" delete-char
FYI: I am on a Mac (High Sierra).
This will bind Fn+Delete to delete forward a single character. If the above is not clear, you need to type Ctrl+v, Fn+Delete between typing the quotes. Ctrl+v allows you type the literal escape escape sequence of whatever key comes after it.
You can put this line in your