Don’t end a line on a hyphen in rag-right or centered text, unless the word that’s breaking is a hyphenated compound that breaks at the grammatical hyphen.
Don’t let two lines in a row end in hyphens.
Don’t break words within a hyphenated compound.
Don’t let a word break at the end of a column.
When a word breaks, make sure at least three letters appear on the second line. When possible, keep a prefix or suffix from breaking from the rest of the word.
Don’t hyphenate proper nouns.