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This defines a few preprocessor symbols that should not affect Emacs.
* lib/getopt.in.h, lib/time.in.h, lib/unistd.in.h: Regenerate
via "make sync-from-gnulib".

calc/calc-help.el (calc-logunits-add): Rename from `calc-logunits-plus'.
(calc-logunits-sub): Rename from `calc-logunits-minus'.
(calc-logunits-mul): Rename from `calc-logunits-times'.
(calcFunc-lupoweradd): Rename from `calcFunc-lupowerplus'.
(calcFunc-lupowersub): Rename from `calcFunc-lupowerminus'.
(calcFunc-lupowermul): Rename from `calcFunc-lupowertimes'.
calc/calc-ext.el (calc-init-extensions): Change names of logarithmic
unit functions in autoloads.

`calc-default-field-reference-level'.
(calc-logunits-power-reference): Renamed from `calc-default-power-reference-level' 

calc/calc-units.el (math-logunits-quant):  Renamed from `math-logunits-level'
(math-logunits-plus):  Renamed from math-logcombine.
(calcFunc-luplus, calcFunc-luminus calc-luplus, calc-luminus): Remove functions.
(calcFunc-lufieldplus, calcFunc-lupowerplus, calcFunc-lufieldminus)
(calcFunc-lufieldminus,calc-logunits-plus calc-logunits-minus): New functions.
(calcFunc-fieldquant): Renamed from `calcFunc-fieldlevel'.
(calcFunc-powerquant): Renamed from `calcFunc-powerlevel'.
(calc-logunits-quantity): Renamed from `calc-level'.
(calcFunc-dbfieldlevel, calcFunc-dbpowerlevel, calcFunc-npfieldlevel)
(calcFunc-nppowerlevel,calc-logunits-dblevel, calc-logunits-nplevel)
(math-logunits-times, calcFunc-lufieldtimes, calcFunc-lupowertimes)
(calc-logunits-times, math-logunits-divide, calcFunc-lufielddiv)
(calcFunc-lupowerdiv,calc-logunits-divide,math-logunits-level):
New functions.

calc-help.el (calc-u-prefix-help): Removed "L" reference.
(calc-ul-prefix-help): Remove.
(calc-l-prefix-help): New function.
(calc-full-help): Add reference to `calc-l-prefix-help'.

calc-ext.el (calc-init-extensions): Update autoloads.

proto-stream.el (open-protocol-stream): Document the return value.

 
* mail/emacsbug.el (report-emacs-bug-hook): Remove the check for
non-ASCII characters.

Emacs assumes two's complement elsewhere, but the assumption is
easy to remove here, and this suppresses a warning with Sun C 5.8.

(get_doc_string, Fsnarf_documentation, Fsubstitute_command_keys):
Change types between char * and unsigned char *, to satisfy C89
rules about pointer type compatibility.

* sysdep.c (sys_subshell) [!defined DOS_NT]: Diagnose chdir
failure and exit.
(sys_subshell) [defined DOS_NT]: Mark with a FIXME the two
remaining unchecked chdir calls in this function; some DOS/NT
expert needs to fix them.
* emacs.c (main): Mark with a FIXME the unchecked chdir calls
in this function; some NextStep expert needs to fix them.

Makefile.in (nowebhack): Fixed to use -D flag instead of overrides.