Undefined values: Difference between revisions

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 =={{header|ERRE}}==
-ERRE hasn't the concept of un-initialised or undefined variables: every scalar variable is allocated at runtime with value zero if numeric or value "" if string. Array type variables must be declared but follow the same initialisation rules of scalars'.
+ERRE hasn't the concept of un-initialised or undefined variable: every scalar variable is allocated at runtime with value zero if numeric or value "" if string. Array type variables must be declared but follow the same initialisation rules of scalars.
 =={{header|Fortran}}==