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[ferret_users] string composition



Hi Ferreters—
 
When I was composing unit strings from a product of variables, I found
an unexpected behaviour:
 
yes? let/units="m/s" v1 = 1.1
yes? let/units="mmol C m-3" v2 = 2.2
yes? list/nohead v1.units + "XYZ"
"m/sXYZ"
yes? list/nohead v1.units + v2.units
"m/sm/s"
yes? list/nohead "`v1.units`" + "`v2.units`"
"m/smmol C m-3"
 
I expected that the result of the panultimate command would be the same
as that of the last command.
 
(The last command can be used as a solution or workaround to this issue.)
 
—Marco
 

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