Update man and help: -d option set $VERBOSE to true

Author: kyanagi

man/ruby.1

@@ -287,6 +287,8 @@ to the standard output.
 .It Fl -debug
 Turns on debug mode.
 .Li "$DEBUG"
+and
+.Li "$VERBOSE"
 will be set to true.
 .Pp
 .It Fl e Ar command

ruby.c

@@ -326,7 +326,7 @@ usage(const char *name, int help, int highlight, int columns)
         M("-a",		   "",                     "Split each input line ($_) into fields ($F)."),
         M("-c",		   "",			   "Check syntax (no execution)."),
         M("-Cdirpath",     "",			   "Execute program in specified directory."),
-        M("-d",		   ", --debug",		   "Set debugging flag ($DEBUG) to true."),
+        M("-d",		   ", --debug",		   "Set debugging flag ($DEBUG) and $VERBOSE to true."),
         M("-e 'code'",     "",			   "Execute given Ruby code; multiple -e allowed."),
         M("-Eex[:in]",     ", --encoding=ex[:in]", "Set default external and internal encodings."),
         M("-Fpattern",	   "",			   "Set input field separator ($;); used with -a."),