My Word 2002 intermittently creates new character styles based on existing paragraph styles. For example, the paragraph style "Body Text" suddenly becomes "Body Text,Body Text Char" throughout the document. I haven't been able to get it to happen while I've been watching for it so I don't understand what conditions are needed to replicate the problem.
I can get rid of the spurious character portion by modifying the style name (in the Styles and Formatting task pane, I delete the ",Body Text Char" part of the name) but sooner or later it will show up again. The problem is not limited to the one style; nor is it unique to a particular template. I've removed the Normal template to no effect; the condition happens whether "automatically update document styles" is on or off.