Re: \unit and french

[Sietse Brouwer <sbbrouwer@gmail.com>]

Sietse wrote:
>> % doesn't work correctly: comma is accepted as decimal mark at parse time,
>> % but then printed as thin space anyway. ?!?
>> \setupunit[method=3, order=reverse]
>> \units{12.345,00} %--> 12,345 00

Wolfgang wrote:
> I going to send then a mail to Hans with
> a description of this bug and also the one in Marcos link, both are in the Lua part
> of the code and it’s no so easy for me to fix them.

Actually, this bug is in the ConTeXt part of the code, in phys-dim.lua:

-\unexpanded\def\digitsfinalcomma          {\digitscommasymbol } %
more for tracing
\unexpanded\def\digitsfinalperiod         {\digitsperiodsymbol} % more
for tracing
\unexpanded\def\digitsintermediatecomma   {\digitscommasymbol } % more
for tracing
-\unexpanded\def\digitsintermediateperiod  {\digitsperiodsymbol} %
more for tracing

+\unexpanded\def\digitsfinalcomma          {\digitsperiodsymbol } %
more for tracing
\unexpanded\def\digitsfinalperiod         {\digitsperiodsymbol} % more
for tracing
\unexpanded\def\digitsintermediatecomma   {\digitscommasymbol } % more
for tracing
+\unexpanded\def\digitsintermediateperiod  {\digitscommasymbol} % more
for tracing

The mistake probably arose because \digitscommasymbol always
corresponds to the intermediate mark (the digits separator), not
always to the comma. I know the name wrong-footed me when I was
reading the code.

Romain: you can make this change in phys-dim.lua (around line 220),
then remake the formats with
context --make cont-en

Then this should work correctly:

    % 3: decimal comma, digits space
    % 4: decimal point, digits space

    % English input (order=normal)
    \setupunits[method=3]
    \unit{11,122.13 micro mol per second} \par
    \setupunits[method=4]
    \unit{21,222.23 micro mol per second} \par

    % French input (order=reverse)
    \setupunits[method=3, order=reverse]
    \unit{31.322,33 micro mol per second} \par
    \setupunits[method=4, order=reverse]
    \unit{41.422,43 micro mol per second} \par

Cheers,
Sietse
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