[NTG-context] bizarre bug in xml

[Hans Hagen]

On 11/21/2020 2:09 AM, Pablo Rodriguez wrote:
> On 11/20/20 10:52 PM, Wolfgang Schuster wrote:
>> [...]
>> Optional arguments (e.g. plus/minus values for \hskip) for commands are
>> handled different in LMTX but it was always recommended to add \relax
>> after the last value.
> 
> Hi Wolfgang,
> 
> the same would apply to \vskip, wouldn’t it?
also for \hrule and \vrule (and in pdftex/luatex some backend related 
primitives); primitives like \hbox have their keyword scan terminated by 
a leftbrace token

Hans

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