de95d50bce
Also add tests. 'time' is a regression from 6647e8860698b8060eda3a2c5736c7718786743d (last Wednesday).
zsh-syntax-highlighting / highlighters
Navigate into the individual highlighters' documentation to see
what styles ($ZSH_HIGHLIGHT_STYLES
keys) each highlighter defines.
Refer to the documentation on highlighters for further information.