Elizabeth's daughter-in-law, Peggy Post, is now revising the latest edition.

Most of the other information is presented by Peggy Post.

Elizabeth Post's daughter and three sons were "not inclined" to take on their mother's work, Peggy Post said.

"If it's really over, you don't want to hang on to it," said Peggy Post, great-granddaughter-in-law of Emily Post and an etiquette expert.

Peggy Post, who now writes the etiquette books her grandmother pioneered, said the code was a step in the right direction.

IN fact, the etiquette expert Peggy Post advises, all the angst may not be necessary.

Arrive with a gift or, says Peggy Post, the etiquette expert, send one soon after.

That kind of panic only adds to the pressure, said Peggy Post.

Peggy Post writes that "[v]irtually all colors are acceptable today, including black and shades of white."

Peggy Post is an American author and consultant on etiquette.