See http://word.mvps.org/FAQs/AppErrors/...DeleteText.htm

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"Roberto Cabestany" wrote in
message ...
In a specific document I cannot edit (delete) any text through the
keyboard,
neither with the del key nor using backspace, also when pasting characters
over a selection word inserts the pasted characters without replacing
them.
Does anybody know what-s going on in this specific document?