\textLengthOn - choosing which note to lengthen

[Chris Snyder]

I'm running into a situation where \textLengthOn isn't behaving like I 
would expect it to. I have an organ piece where I'd like to put some 
text between the staves for the manuals. The text is a bit too long, 
however, so it hits the barline. Adding \textLengthOn seems to be the 
right solution. Unfortunately, I can't get it to do anything other than 
lengthen the space after the shortest note that occurs at the same time 
as the text, even the shorter note is in a different voice than the text.

The expected/desired behavior for me would be to have that command 
lengthen the time interval for the note that the text is attached to - 
if it was attached to a whole-note in a 4/4 bar, for instance, I'd 
expect it to expand the whole bar to match the length of the text. 
Instead, it lengthens the length of the shortest note in the bar.

I've whipped up an example of what's going on:

http://temp.mvpsoft.com/ly/TextLength.ly
http://temp.mvpsoft.com/ly/TextLength.png

Thanks in advance.

-Chris Snyder