In
An example using explicit and object locatives

The sampe script:

make=: verb define
NB. make doubly-linked queue of (y) numbered locales
for_i. i.y do.
  loc=. < ": i
  name__loc=: 'This is locale ' , ": i
  prev__loc=: < ": y| i-1
  next__loc=: < ": y| i+1
end.
empty''
)

generates a locale error.

Numbered locales can only be used in the context of Class scripts and
are instances of the defined class. These numbered classes names are
created using

conew 'ClassName'.

The sample code should therefore be modified to use legal locale names like

loc =. <'loc',":i
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