[texhax] inserting text in an enumeration list

[Zbigniew Nitecki]

Is there a way to insert some text, treated as an ordinary paragraph  
or otherwise outside the constraints of the enumerate environment,  
between two items?

What I have in mind is creating a numbered list using the enumeration  
environment, but putting either some headings or some explanatory  
text before groups of items, without disturbing the automatic  
numbering of the items.  I realize that in theory this can be done by  
hand by ending the enumeration but then setting the appropriate  
counter (by hand) to the next value;  however, I am thinking in terms  
of a subgrouping the exercises at the end of each section of a long  
book into (in my case) Practical Exercises, Theoretical Exercises,  
and Challenge Problems.  But I don't want to number them separately.   
This is a bit like the function of \intertext, but this as I  
understand it works only after a \ or \\.

Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155

telephones:
Office    (617)627-3843
Dept.    (617)627-3234
Dept. fax    (617)627-3966

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