make-local-variable scrambles default value [lookup-syntax-properties garbled]
Ilya N. Golubev writes:
xemacs branch: 21.4.
I can replicate this in CVS HEAD (post-21.5.27).
The code below does use `save-excursion' within `let' as
adviced in
<(elisp) Intro to Buffer-Local>. Still the assignment that one
expects to be temporary permanently breaks default
`parse-sexp-lookup-properties' value, and in a way that is hard to
detect. It does not manifest right after the assignment, only after
`make-local-variable' is called. That is, the following code
I have no idea what's going on here. I'll pass it to the guys who
implement the Lisp engine, but I can't guess how long it will take to
solve. So, this is our bug AFAICT, but a workaround at the
application level would be greatly appreciated. :-(
Steve
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