Re: [NTG-context] def with if..else fails in TABLE

18 Oct 2005


      Hi Hraban,

Henning Hraban Ramm wrote:
...
Salute wizards!
I tried to write a macro for a TABLE line:
\def\TestCmd{\dodoubleempty\doTestCmd}
\def\doTestCmd[#1][#2]#3{\bTR\bTD #3
    \iffirstargument\hfill (#1)\fi
    \eTD \bTD
    \ifsecondargument
        3: #2 and #3
    \else
        2: only #3
    \fi
    \eTD\eTR
}
But it never goes into "else" (if #2 is empty, I get "3: and #3")!
And it's only with the table commands around.
Why? What can I do?
the numbering is not bound to the parameter number; it's just a counter.
calling the macro with two arguments ->
  \iffirstargument  is true
  \ifsecondargument is true
  \ifthirdargument  is false


so simpy start your code with up-down testing of the argument number

\ifthirdargument % [#1][#2]#3
  ...
\else
  \ifsecondargument % [#1 or #2; you must decide which one]#3
    ...
  \else % #3
    ...
  \fi
\fi


Greetings,

Peter
...
Grüßlis vom Hraban!
---
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Re: [NTG-context] def with if..else fails in TABLE

Peter Rolf