GBS left a trust fund (with very little money in it!)funded by royalties from his work to support a 'society' dedicated to the the eliminations of 'extra' puctuation, like the dot after Mr or Mrs- The society, didn't get much done, since Shaw spent most of his money when he was alive. but "My Fair Lady"- in London, NY, World Tours, the movie, etc, poured huge amounts of royalties into the trust fund, (after his death) and the society (with some fancy sounding name) has been quietly working to get rid of dots/periods, dashes, hyphens (in words) apostrophes and other puctuation in spelling. The Economist style book has adapted most of the recommendations. YCLIU, i am sure. they are much more 'active' in UK, but they are a factor in some of the changes.
Its not really grammer, its punctuation, they are trying to perfect.
