<<forEachTiddler  where 'tiddler.tags.contains(context.inTiddler.title)'
sortBy 
        tiddler.title
    ascending 
write '"*[["+tiddler.title+"]]\n"'>>
<<tiddler AutoRefresh with: force>>

government recommend 
    men <21 units/wk (<4u/day)
    women <14 units/wk (<3u/day)

10 mls absolute alcohol = 1 unit (so 100mls of 10% = 10mls alcohol = 1 unit)
Note pint = 570mls
spirit measure is 25mls
 
1 unit is ...
25 mls of spirit (40%) (100mls of 40% would be 40mls alcohol)
1/3pint beer (5-6%) (100 mls of 5-6% would be 5-6mls alcohol, pint is 550mls so 1/3 pint is 183mls =approx 10mls alcohol)
1/2 standard (175mls) wine  (12%) (100mls would have 12 mls alcohol)