[dev-context] \setupnote

[Wolfgang Schuster]

Am 15.01.2012 um 18:14 schrieb Hans Hagen:

> On 14-1-2012 19:55, Wolfgang Schuster wrote:
> 
>> The problem is the following setting in page-app.mkiv
>> 
>>    \setuplayout
>>      [fittingpage]
>>      [\c!width=\d_page_fitting_width,
>>       \c!height=\d_page_fitting_height,
>>       \c!location=\v!middle]
>> 
>> which changes the \textheight dimension (from the value set in page-lay.mkiv).
>> 
>> Merging \definelayout and \setuplayout from
>> 
>>    \definelayout
>>      [fittingpage]
>>      [\v!page]
>> 
>>    \setuplayout
>>      [fittingpage]
>>      [\c!width=\d_page_fitting_width,
>>       \c!height=\d_page_fitting_height,
>>       \c!location=\v!middle]
>> 
>> to
>> 
>>    \definelayout
>>      [fittingpage]
>>      [\v!page]
>>      [\c!width=\d_page_fitting_width,
>>       \c!height=\d_page_fitting_height,
>>       \c!location=\v!middle]
>> 
>> solves the problem.
> 
> aha, I had noticed some weird side effects in other cases ... so I wonder when this was introduced, but it's a more serious issue then
> 
> So, in the next beta check
> 
> \installswitchsetuphandler
> 
> In the switch variant we now have a dedicated token register for synchronization.

Why is \previouslayout defined as token register when it’s later only used to save the value of \currentlayout?

Wolfgang