Re: Regression with \doboundtext in \writetolist

[Rik Kabel <context@rik.users.panix.com>]

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On 2015-10-11 06:11, Hans Hagen wrote:
> On 10/11/2015 5:21 AM, Rik Kabel wrote:
>> The following example works with older versions of ConTeXt, such as the
>> version from 20150325 in my repository. It fails with TL15 and later,
>> including the current standalone beta.
>>
>>     % macros=mkvi
>>     \setwidthof {99}\to\IDWidth\relax
>>     \def\STWidth{\dimexpr\textwidth-\IDWidth+1cm}
>>     \definelist[OList]
>>     \setuplist
>> [OList][criterium=all,alternative=c,pagecommand=\gobbleoneargument]
>>
>>     \starttexdefinition OLister #ID#String
>> {\writetolist[OList]{}{\hbox{\simplealignedbox{\IDWidth}{left}{#ID\quad}
>>     {\doboundtext{#String}{\STWidth}{…}}}}}
>>     \stoptexdefinition
>>
>>     \starttext
>>     \OLister1{Some list testing text xxx xxx xxx xxx xxx xxx xxx xxx xxx
>>     xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx}
>>     \OLister2{Yet another list testing text xxx xxx xxx xxx xxx xxx xxx
>>     xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx}
>>     \OLister3{A list testing text xxx xxx xxx xxx xxx xxx xxx xxx xxx
>>     xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx}
>>     \OLister4{Different list testing text xxx xxx xxx xxx xxx xxx xxx
>>     xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx}
>>     \subject{List half width}
>>     \startcolumns[n=2]
>>     \placelist[OList]
>>     \stopcolumns
>>     \stoptext
>>
>> With the 20150325 ConTeXt, there are .tuc file entries like:
>>
>>         ["second"]="\\hbox {\\simplealignedbox {\\IDWidth
>>     }{left}{2\\quad }{\\doboundtext {Yet another list testing text xxx
>>     xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx
>>     xxx}{\\STWidth }{…}}}",
>>
>> but with more recent versions, the corresponding entry is:
>>
>>         ["second"]="\\hbox {\\simplealignedbox {12.6pt}{left}{2\\quad
>>     }{\\hbox {\\setbox \\scratchbox \\hbox {Yet another list testing
>>     text xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx
>>     xxx xxx}\\scratchdimen \\dimexpr \\textwidth -12.6pt+1cm\\relax
>>     \\box \\scratchbox }}}",
>>
>
> \unexpanded\def\STWidth{\dimexpr\textwidth-\IDWidth+1cm}
>
Yes, expansion needs to be delayed to get the current dimension when the 
list is placed. My error—thank you for the correction. But the 
regression is not resolved. The .tuc file now contains:

    ["second"]="\\hbox {\\simplealignedbox {12.6pt}{left}{2\\quad
    }{\\hbox {\\setbox \\scratchbox \\hbox {Yet another list testing
    text xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx
    xxx xxx}\\scratchdimen \\STWidth \\relax \\box \\scratchbox }}}",

Still no mention of dobounded text is carried into the list.
-- 
Rik

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