readdate: Print any text unused by the time calculation

Return the position of the start and end of the matched text

Add tests including years

Restore 'on day_name' match

Implement find_next_month_by_name

Add support for specifying a year in the input

readdate: Make executable

Fix for readdate tool

Add tests for days of the week

Implement find_next_day_by_name

(0) +10 tip

mercurial