parse-options-cb: implement parse_opt_passthru_argv()

diff --git a/Documentation/line-range-format.txt b/Documentation/line-range-format.txt
index a1b2f4e0893cdcc34b6bd58a6474582b8afc96e3..829676ff98335913ec037396a659f42f74e5a90d 100644 (file)
--- a/Documentation/line-range-format.txt
+++ b/Documentation/line-range-format.txt
@@ -9,7 +9,10 @@ absolute line number (lines count from 1).
 - /regex/
 +
 This form will use the first line matching the given
-POSIX regex.  If <end> is a regex, it will search
+POSIX regex. If <start> is a regex, it will search from the end of
+the previous `-L` range, if any, otherwise from the start of file.
+If <start> is ``^/regex/'', it will search from the start of file.
+If <end> is a regex, it will search
 starting at the line given by <start>.
 +
 
@@ -19,6 +22,9 @@ This is only valid for <end> and will specify a number
 of lines before or after the line given by <start>.
 
 +
-If ``:<regex>'' is given in place of <start> and <end>, it denotes the range
-from the first funcname line that matches <regex>, up to the next
-funcname line.
+If ``:<funcname>'' is given in place of <start> and <end>, it is a
+regular expression that denotes the range from the first funcname line
+that matches <funcname>, up to the next funcname line. ``:<funcname>''
+searches from the end of the previous `-L` range, if any, otherwise
+from the start of file. ``^:<funcname>'' searches from the start of
+file.