#autoload

local WORDCHARS="${_my_extended_wordchars_slash}"

# first make sure we're aligned with the start of the 2nd word,
# removing all spaces in between the two words so that there's
# no trailing spaces at the end after the transpose is complete.
while [[ "$RBUFFER[0]" == ' ' ]]; do
  zle .delete-char
done
while [[ "$LBUFFER[-1]" == ' ' ]]; do
  zle .backward-delete-char
done

# transpose
zle kill-big-word
zle backward-to-space
zle .yank

# add a space back in between
LBUFFER="${LBUFFER} "