byte-compilation woes (cont'd)

[Drew Adams <drew.adams@oracle.com>]

Just wondering whether there is any way around this...

With a build from 3/21 I had no problem:

In GNU Emacs 24.4.50.1 (i686-pc-mingw32)
 of 2014-03-21 on ODIEONE
Bzr revision: 116829 dancol@dancol.org-20140321121023-5tjxtiws6qa4qyod
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/snapshot/trunk
 --enable-checking=yes,glyphs 'CFLAGS=-O0 -g3' 'CPPFLAGS=-DGC_MCHECK=1
 -Ic:/Devel/emacs/include' LDFLAGS=-Lc:/Devel/emacs/lib'

With a build from 3/23 I have a problem:

In GNU Emacs 24.4.50.1 (i686-pc-mingw32)
 of 2014-03-23 on ODIEONE
Bzr revision: 116869 yamaoka@jpl.org-20140324004210-m3ek4k40qwamyabx
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/snapshot/trunk
 --enable-checking=yes,glyphs 'CFLAGS=-O0 -g3'
 LDFLAGS=-Lc:/Devel/emacs/lib 'CPPFLAGS=-DGC_MCHECK=1
 -Ic:/Devel/emacs/include''

Here's the problem.  My library help-fns+.el extends help-fns.el
in various ways.  It is compatible with Emacs 22 through 24.  Until
now, you could byte-compile it using Emacs 23 and use the compiled
file with Emacs 22, 23, or 24 - no problem.  Handy for someone (like
me) who has multiple Emacs versions.

(You could not byte-compile it using 22 or 24 and be able to use
the result with other versions, however.  Emacs 23 was Goldilocks
for this.)

With the latest Emacs 24 build (from 3/23), I now must byte-compile
help-fns+.el using that build, to be able to use it with that build.
And doing that prevents using the compiled file with Emacs 22 or 23.

Worse still.  If byte-compiled with the latest build it is not even
usable with Emacs 24.3 (wrong number of args for `help-window-setup').

What is the symptom if you use the library compiled with Emacs 23
in the latest Emacs 24 build?  Buffer *Help* is in Fundamental mode.
I have no idea why, and I don't really feel like digging into
finding out why, in hopes that some minor tweak might fix things.

Anyone have an idea what recent change causes this difference
between a build from 3/21 and a build from 3/23?  Anyone see a
simple fix/workaround to the problem?  Thx.

As Emacs 24.4 is not yet released, I'm hoping this might represent
just another temporary hiccup from "using a revision from that
unfortunate period" where an inadvertent mistake crept in
temporarily.  (There's always room for hope, no?)  If not, and if
there is no simple workaround, so be it.