Re: [Lilypond-auto] Issue 3283 in lilypond: Patch: Stop table of contents bleedover

[lilypond]

Comment #5 on issue 3283 by address@hidden: Patch: Stop table of contents  
bleedover
http://code.google.com/p/lilypond/issues/detail?id=3283

Ok, this one is tricky: I've moved part of the toc stuff to a separate scm  
module that gets imported by toc-init.ly.  The snippet in question calls  
add-toc-item! from the imported module.  This works in the first  
file/session compiled, but when the current module gets forgotten for the  
next file on the command line and a new module is created and all its  
variables get reset to their value before the run, the module imports don't  
reappear.

There are several possible solutions: one is to reinstate any imported  
modules for future runs, and that makes independent sense.

Another is to allow the specification of end-of-session code that could be  
used in the original code to clear out the table-of-contents let-variable  
that is only visible to some closures.  This approach tampers a lot less  
with the original code.

Another is to make this variable visible without a separate module,  
defeating the original intent of the closure.

I'll probably go for both the first as well as the second approach.

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