Serial comma The judge in the case said that 43 of the 50 U.S. states had mandated the use of a serial comma and that both chambers of the federal congress had warned against omitting it, in the words of the U.S. House Legislative Counsel's Manual on Drafting Style, "to prevent[] any misreading that the last item is part of the preceding one"; only 7 states "either do not require or expressly prohibited the use of the serial comma". In the following languages, the serial comma is not the norm and may go against punctuation rules: Serial comma In English language punctuation,
Thai and Lao Braille different print diacritic in short ເ◌ຶອ "eua" and ເ◌ັຍ "ia". The short sign ( ็) is also used for the rarer virama ( ฺ). Numbers are the same as in other braille alphabets, though dot six is prefixed to the to specify that they're Thai or Lao digits. Thus, a sequence of numbers begins with . Single (though not paired) clause-final punctuation may introduced with , but is otherwise as in English Braille. There is some variability in the use of the to mark stop/period, comma, and the exclamation point. Thai Braille seems to use for the comma, while Lao