Re: bug in beta: extra \else

[Hans Hagen <pragma@wxs.nl>]

Wolfgang Schuster wrote:
> On Fri, 13 Oct 2006 19:16:58 -0400 (EDT)
> Aditya Mahajan <adityam@umich.edu> wrote:
>
>   
>> On Fri, 13 Oct 2006, Vit Zyka wrote:
>>
>>     
>>> Hans Hagen wrote:
>>>       
>>>> Vit Zyka wrote:
>>>>         
>>>>> Hans Hagen wrote:
>>>>>           
>>>>>> Vit Zyka wrote:
>>>>>>             
>>>>>>> Hi all,
>>>>>>>
>>>>>>> there is some deep bug that was discovered translating Beginners manual. 
>>>>>>> Let take single chapter e.g. ma-cb-cz-alignments.tex
>>>>>>>
>>>>>>> With today beta I got .log attached (error ! Extra \else)
>>>>>>> This will appear in both modes screen and normal.
>>>>>>>
>>>>>>> Interesting is that no error appears in context 2006-05-28.
>>>>>>>               
>>>>>> quite some code is being rewritten / adapted to context mkiv so there 
>>>>>> could be low level differences
>>>>>>
>>>>>> can you make a small example, since this else problem can come from other 
>>>>>> places than reported
>>>>>>             
>>>>> There are demonstrative files. Please, run
>>>>>   texmfstart texexec --pdf ma-cb-cz-test.tex
>>>>> and
>>>>>   texmfstart texexec --pdf --mode=screen ma-cb-cz-test.tex
>>>>>           
>>>> this file: ma-cb-env-cz.tex refers to itself and probably should be : 
>>>>
>>>> \startenvironment ma-cb-env-cz
>>>>
>>>> \environment ma-cb.tex
>>>>
>>>> \mainlanguage[cz]
>>>> \language[en]
>>>> \enableregime[latin2]
>>>>
>>>> \stopenvironment
>>>>         
>>> Sorry, my fault but it does not solve the problem. I obtain the same error 
>>> with fresh context and corrected version of this file:
>>>
>>> -----------------------------------------
>>> \startenvironment ma-cb-env-cz
>>>
>>> \mainlanguage[cz]
>>> \language[en]
>>> \enableregime[latin2]
>>>
>>> \stopenvironment
>>> -----------------------------------------
>>>       
>> There is something wrong with ma-cb environment files. The file 
>> ma-cb-en does not compile. I get an error
>>
>> ! Undefined control sequence.
>> \@@olbackground ->\StatusAchtergrond
>>
>> \doifvaluesomething ...inga {\csname #1\endcsname
>>                                                    }\ifx \!!stringa 
>> \empty \e...
>>
>> \stoplocalframed ...ing {\@@framed \c!background }
>>                                                    \dobackedbox 
>> \handleframed...
>>
>> \PlaatschapterStatus ... [\v!chapter \v!number ]}}
>>                                                     \vskip 0pt plus 
>> \scratchc...
>> <argument> \PlaatschapterStatus
>>                                  {}{}{}
>> \firstoftwoarguments #1#2->#1
>>
>> ...
>> l.19     \Introduction   {Introduction}
>>
>>
>> I tried making minimal example of the file that you posted, but always 
>> get the same error. I am pretty certain that ma-cb-en.tex used to 
>> compile in the past.
>>
>> Aditya
>>     
>
> Hi Aditya,
>
> I had the same problems in past in solved them by myself. The problems
> are dutch commands in the style-files and a typo.
>
> I attached my corrected style-files, because it is faster to replace
> send you the files than I need to look where I made corrections.
>
> The files did not correct the problem with the backgrounds in the
> headers Vit has mentioned. 
>   
        \edef\StatusAchtergrond
          {StatusAchtergrond%
           \ifodd\realpageno R\else\ifdoublesided L\else R\fi\fi}%

\ifdubbelzijdig -> \ifdoublesided 

this low level if has been changed, ad a result tex's 'fast if then else ' skip routine does not see the \ifdubbelzijdig is if and gets confused 

Hans 



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