Update help text in record.c

This updates some help text in record.c to conform to GNU standards.
I also added a "Usage" line to "record save".

2018-04-29  Tom Tromey  <tom@tromey.com>

	* record.c (_initialize_record): Update help text.

diff --git a/gdb/record.c b/gdb/record.c
index 548acfe36411d56a47dae2fdb8b61f48b2f2aaae..d4975d905daef49b886133d988347ce5cc129eb7 100644 (file)
--- a/gdb/record.c
+++ b/gdb/record.c
@@ -822,8 +822,8 @@ A size of \"unlimited\" means unlimited lines.  The default is 10."),
 
   c = add_cmd ("save", class_obscure, cmd_record_save,
               _("Save the execution log to a file.\n\
-Argument is optional filename.\n\
-Default filename is 'gdb_record.<process_id>'."),
+Usage: record save [FILENAME]\n\
+Default filename is 'gdb_record.PROCESS_ID'."),
               &record_cmdlist);
   set_cmd_completer (c, filename_completer);