I am finding myself using the point d'irony () more and more. However, vim spelling does not recognise it as a valid punctuation character.How can I add it to vim so that the spelling works?
Vim spell punctuation for 
vim;spell checking
As umlute suggested in a comment, to Tyler Durden's answer, I opened a feature request/bug report issue 258 in vim. The fix is in patch 7.4.444.