Trying to do some date and time processing myself, I ran into problems caused
by ConTeXt makeing it incompatibel with the original plain TeX itself!
In the TeX-book, Appendix B one finds
<citation>
(Some parameters are set by TeX itself as it runs, so it is inappropriate to
initialize them: \time, \day, \month, and year are established at the beginning
of a job; ..
</citation>
Now the results in ConTeXT with a minimal example, put into the log for easier
copying into the mail:
\starttext
\writestatus{}{\meaning\date -> \date}
\writestatus{}{\meaning\day -> \the\day}
\writestatus{}{\meaning\month -> \month WHY NOT monthname?}
\writestatus{}{\meaning\year -> \the\year}
\writestatus{}{\meaning\time -> \the\time}
\stoptext
Result:
> \time-> \time
> \protected macro:->\dodoubleempty \syst_converters_date ->
\date
> \day-> 20
> macro:#1->\ctxcommand {monthname(#1)}-> \labeltext
{unknown}RROR
> \year-> 2013
> \time-> 982
I strongly ask that ConTeXt abstains from changing the definition of \month and
reverts to the exact result as given by plain TeX, i.e. a number in the range
[1-12]. Because the change makes it impossible to do calculations on the month.
Hans van der Meer
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