Force forces the string s to the given column width by trimming and padding.

Of returns the column width of a string, assuming no soft line breaks.

OfRune returns the column width of a rune.

Override overrides the column width of a rune to be a specific non-negative value.

Trim trims the string s so that it has a column width of at most wmax.

TrimEachLine trims each line of s so that it is no wider than the specified width.

Unoverride removes the column width override of a rune.