setupinteraction kills dodoubleargument

setupinteraction kills dodoubleargument

[Hans van der Meer]

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In my documents I use a macro in footnotes, which is defined though \dodoubleargument.
However, enabling interactions (which must be done too) plays havoc with \dodoubleargument, though \dosingleargument seems to escape unharmed.

Why is this? Can it be repaired?

Hans van der Meer

% Indexing in footnotes
\setuppapersize[A5][A5]
\setupinteraction[state=start] % [state=stop] => OK
\starttext
\type{ConTeXt  ver: 2011.11.17 23:31 MKIV}\blank
\def\testa{\dosingleargument\dotesta}
\def\dotesta[#1]#2{<#1><#2>}
OK: \type{\testa{abc}} \testa{abc}\par
OK: \type{\testa[def]{abc}} \testa[def]{abc}\par
OK: Now in footnote\footnote{testa{abc}}\par
OK: Now in footnote\footnote{\testa[def]{abc}}\par
\blank
\def\testb{\dodoubleargument\dotestb}
\def\dotestb[#1][#2]#3{<#1><#2><#3>}
OK: \type{\testb{abc}} \testb{abc}\par
OK: \type{\testb[def]{abc}} \testb[def]{abc}\par
OK: \type{\testb[ghi][def]{abc}} \testb[ghi][def]{abc}\par
OK: Now in footnote\footnote{testb{abc}}\par
ERROR: Now in footnote\footnote{\testb[def]{abc}}\par
errmessage: ! Argument of \string\dotestb\ has an extra \}.\par
OK: Now in footnote\footnote{\testb[ghi][def]{abc}}\par
\stoptext



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Re: setupinteraction kills dodoubleargument

[Wolfgang Schuster]

Am 21.11.2011 um 14:25 schrieb Hans van der Meer:

> In my documents I use a macro in footnotes, which is defined though \dodoubleargument.
> However, enabling interactions (which must be done too) plays havoc with \dodoubleargument, though \dosingleargument seems to escape unharmed.
> 
> Why is this? Can it be repaired?

Change your definition for \testa and \testb to

  \unexpanded\def\testa{\dosingleempty\dotesta}

and

  \unexpanded\def\testb{\dodoubleempty\dotestb}

Wolfgang
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Re: setupinteraction kills dodoubleargument

[Meer, H. van der]

On 21 nov. 2011, at 14:55, Wolfgang Schuster wrote:

> 
> Am 21.11.2011 um 14:25 schrieb Hans van der Meer:
> 
>> In my documents I use a macro in footnotes, which is defined though \dodoubleargument.
>> However, enabling interactions (which must be done too) plays havoc with \dodoubleargument, though \dosingleargument seems to escape unharmed.
>> 
>> Why is this? Can it be repaired?
> 
> Change your definition for \testa and \testb to
> 
>  \unexpanded\def\testa{\dosingleempty\dotesta}

Not needed, because \dosingleargument, \dosingleempty are not harmed.
> 
> and
> 
>  \unexpanded\def\testb{\dodoubleempty\dotestb}

This is a solution, so I can go on with my document.

But isn't it better in general when the problem is solved in \footnote? Because outside it I encountered no problem with the \dodouble's. It would be a pity if everyone who tries to something of the sort, will have to tackle this problem (unless looking into the archives of this group, of course). I was lucky, because the addition of \setupinteraction[state=start] was one of the last things I changed and thus suggested itself readily as the source of the troubles. 
Maybe it can be put on some todo/later-todo list?
> 
> Wolfgang
> ___________________________________________________________________________________

Hans van der Meer



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Re: setupinteraction kills dodoubleargument

[Hans Hagen]

On 21-11-2011 15:50, Meer, H. van der wrote:
>
> On 21 nov. 2011, at 14:55, Wolfgang Schuster wrote:
>
>>
>> Am 21.11.2011 um 14:25 schrieb Hans van der Meer:
>>
>>> In my documents I use a macro in footnotes, which is defined though \dodoubleargument.
>>> However, enabling interactions (which must be done too) plays havoc with \dodoubleargument, though \dosingleargument seems to escape unharmed.
>>>
>>> Why is this? Can it be repaired?
>>
>> Change your definition for \testa and \testb to
>>
>>   \unexpanded\def\testa{\dosingleempty\dotesta}
>
> Not needed, because \dosingleargument, \dosingleempty are not harmed.
>>
>> and
>>
>>   \unexpanded\def\testb{\dodoubleempty\dotestb}
>
> This is a solution, so I can go on with my document.
>
> But isn't it better in general when the problem is solved in \footnote? Because outside it I encountered no problem with the \dodouble's. It would be a pity if everyone who tries to something of the sort, will have to tackle this problem (unless looking into the archives of this group, of course). I was lucky, because the addition of \setupinteraction[state=start] was one of the last things I changed and thus suggested itself readily as the source of the troubles.
> Maybe it can be put on some todo/later-todo list?

not really as do*empty is not the problem .. if \testa is expandable and 
\dosingleargument isn't, you still have an expandable dotesta left

I'll make the \do*arguments unexpandable (just like their cousins) but 
it won't help you much

Hans

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