Add documentation of verbose mode.

man/tio.1.in

@@ -122,7 +122,10 @@ Display program version.
 .BR \-h ", " \-\-help
 
 Display help.
+.TP
+.BR \-V ", " \-\-verbose
 
+Display extended configuration.
 .SH "KEYS"
 .PP
 .TP 16n

src/bash-completion/tio.in

@@ -23,7 +23,8 @@ _tio()
           -t --timestamp \
           -L --list-devices \
           -c --color \
-          -h --help"
+          -h --help" \
+          -V --verbose \
 
     #  Complete the arguments to the options.
     case "${prev}" in
@@ -88,6 +89,10 @@ _tio()
             COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
             return 0
             ;;
+        -V | --verbose)
+            COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+            return 0
+            ;;
         *)
         ;;
     esac

src/options.c

@@ -76,6 +76,7 @@ void print_help(char *argv[])
     printf("  -c, --color <code>          Colorize tio text\n");
     printf("  -v, --version               Display version\n");
     printf("  -h, --help                  Display help\n");
+    printf("  -V, --verbose               Display extended configuration\n");
     printf("\n");
     printf("See the man page for more details.\n");
     printf("\n");
@@ -180,7 +181,7 @@ void options_parse(int argc, char *argv[])
             {"color",          required_argument, 0, 'c'},
             {"version",        no_argument,       0, 'v'},
             {"help",           no_argument,       0, 'h'},
-            {"V",              no_argument,       0, 'V'},
+            {"verbose",        no_argument,       0, 'V'},
             {0,                0,                 0,  0 }
         };