added -v flag, replace 'help' subcommand wich -m, more tests

tablizer.1

@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "TABLIZER 1"
-.TH TABLIZER 1 "2022-10-04" "1" "User Commands"
+.TH TABLIZER 1 "2022-10-05" "1" "User Commands"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -150,6 +150,8 @@ tablizer \- Manipulate tabular output of other programs
 \&      \-c, \-\-columns string     Only show the speficied columns (separated by ,)
 \&      \-d, \-\-debug              Enable debugging
 \&      \-h, \-\-help               help for tablizer
+\&      \-v, \-\-invert\-match       select non\-matching rows
+\&      \-m, \-\-man                Display manual page
 \&      \-n, \-\-no\-numbering       Disable header numbering
 \&      \-o, \-\-output string      Output mode \- one of: orgtbl, markdown, extended, ascii(default)
 \&      \-X, \-\-extended           Enable extended output
@@ -179,8 +181,9 @@ positions.
 .PP
 Without any options it reads its input from \f(CW\*(C`STDIN\*(C'\fR, but you can also
 specify a  file as a  parameter. If you want  to reduce the  output by
-some   regular   expression,   just    specify   it   as   its   first
-parameters. Hence:
+some regular expression,  just specify it as its  first parameter. You
+may also  use the  \fB\-v\fR option  to exclude all  rows which  match the
+pattern. Hence:
 .PP
 .Vb 2
 \&   # read from STDIN