Bug in add-local-hook/add-hook?
Raymond Toy writes:
Now in *junk* do M-: and eval
(add-local-hook 'post-command-hook 'dummy t)
What I see is that post-command-hook now has the value
(t dummy)
This is the correct result, I believe. The semantics of a hook
variable is that the local value of the hook variable is retrieved,
and the functions in it are run. But if the hook is the value t, then
that means to run the global hooks there. In other words, the t
separates the prepended local hooks from the appended ones.
Without append, add-local-hook just creates (dummy), which looks
right
to me.
With a different (nonexistent) hook variable, I get (dummy t) which is
consistent with the above semantics. If you actually do get just
(dummy) from `(add-local-hook 'post-command-hook 'dummy)', that's a
bug. So I'll check later to see if I can reproduce.
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