Spacing between score and tab

[Hans]

Hello everyone,

As you can see in my latest version of the score I've been working on 
the final bar lines of the score and tab because they didn't match up. 
My solution was to add a final chord in the tab and blanking it. Looks 
like this....

< b,\6 gis\4 d'\3 > \override TabNoteHead #'transparent = ##t < b,\6 
gis\4 d'\3 > 2 \bar "|."

I'm so proud of myself :-)

But what I still don't understand is why the spacing between the score 
and the tab is different between the first two and the third line. The 
third line is much longer spaced and to be honest, I would like to have 
the spacing of the third line on line 1 and 2 as well. So what is wrong 
here? Thanks for the help again.

Hans

http://hit.tweakdsl.nl/blues_up_the_neck.pdf
http://hit.tweakdsl.nl/blues_up_the_neck.ly