=over =item IO::Handle->format_line_break_characters EXPR =item $FORMAT_LINE_BREAK_CHARACTERS =item $: X<$:> X The current set of characters after which a string may be broken to fill continuation fields (starting with C<^>) in a format. The default is S<" \n-">, to break on a space, newline, or a hyphen. You cannot call C on a handle, only as a static method. See L. Mnemonic: a "colon" in poetry is a part of a line. =back