English Code Description
$FORMAT_AUTOFLUSH $| Auto flush on/off flag
$FORMAT_FORMFEED $^L Character string to output before a new page (excluding the first page)
$FORMAT_LINE_BREAK_ CHARACTERS $: Format line break characters
$FORMAT_LINES_LEFT $- Number of lines left before this format page starts a new page
$FORMAT_LINES_PER_PAGE $= Number of lines per page
$FORMAT_NAME $~ Format name
$FORMAT_PAGE_NUMBER $% Current format page number
$FORMAT_TOP_NAME $^ Top-of-form name