updated for version 7.4.547
Problem:    Using "vit" does not select a multi-byte character at the end
	    correctly.
Solution:   Advance the cursor over the multi-byte character. (Christian
	    Brabandt)
Added tag v7-4-547 for changeset 19726451aabe
updated for version 7.4.548
Problem:    Function name not recognized correctly when inside a function.
Solution:   Don't check for an alpha character.
Added tag v7-4-548 for changeset 26a20ce3532c