The alt-m key binding is used to create a directory for the current
"word". This change makes it work if it has something like ~ in the
name.
${~var} is used to turn on GLOB_SUBST. The string resulting from the
expansion will be interpreted as a pattern anywhere that is possible,
such as filenames expanding `~`
man zshexpn
For some reason ctrl+x ctrl+e has stopped working. I think it is
probably related to the use of suckless scroll. This uses ctrl+e which
is interpreted as a scroll.
For now though, using ctrl+x is fine