1<start> and <end> can take one of these forms: 2 3- number 4+ 5If <start> or <end> is a number, it specifies an 6absolute line number (lines count from 1). 7+ 8 9- /regex/ 10+ 11This form will use the first line matching the given 12POSIX regex. If <end> is a regex, it will search 13starting at the line given by <start>. 14+ 15 16- +offset or -offset 17+ 18This is only valid for <end> and will specify a number 19of lines before or after the line given by <start>. 20 21+ 22If ``:<regex>'' is given in place of <start> and <end>, it denotes the range 23from the first funcname line that matches <regex>, up to the next 24funcname line.