# [NTG-context] Convertnumber with \ref[number] fails in MkIV, works in LMTX

Rik Kabel rik at panix.com
Wed Jan 19 18:39:14 CET 2022

This is still a problem with the current standalone.

\definelabel[X][text=]
\startTEXpage[offset=1cm]
\X\X[a]\X[b]\X\par
\convertnumber{R}{\ref[number][a]}
\convertnumber{G}{\ref[number][b]}
\stopTEXpage

%% The above example fails to compile when there is no tuc file,
%%    complaining of a missing number in line 4. When lines 4
%%    and 5 are removed and the file is compiled, producing
%%    a .tuc file, and then they are restored, the example
%%    compiles without error. The effect of having or not having
%%    an associated .tuc file does seem a bit odd.

Surely there is a way to get the number from a label reference that can
then be converted to a numeral of choice.

--
Rik
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