Text Service Variations

posted by  mneon (8)  10 months ago (blogs.msdn.com)

Probably the most annoying thing about writing a text service is dealing with all the variations in text stores.  They all have quirks that need to be worked around, and any significant change has to be tested against all the text stores to make sure that nothing broke.   

For example:  Richedit *requires* a composition around any significant text modification (e.g., inserting text followed by moving the selection), or else its undo stack gets messed up. 

Word has problems doing a select/insert when the text ends in a paragraph mark (it leaves