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Hermann Schmitt wrote: > Hello, > if a Mathemamtica program is executed, Mathematica separates in the output > the text of the program from the error messages. > The conseqence is, that sometimes it is difficult, to find the statement, > which belongs to an error message. > Is it possible to suppress this separation? > Or is there any method, which helps to find the statement which belongs to > an error message? > Hermann Schmitt That is actually the biggest complaint I get, year after year, from students once they learn to program Modules to build nontrivial programs. Their question is typically: where is the line number? I tell them there is no number. In and Out are useless in a modularized program since they change with each invokation. The smarter ones ask: where is the debugger? I tell them there is no easy to use debugger. A front end pointer (or color marker) to where the error occurs in the source should not be too difficult - and would be greatly appreciated by beginning (and expert) users.