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report a Lisp error.

(Fcopy_file, Fset_file_modes): Delete APOLLO conditionals.

as well as auto-save file name in the auto-save-list-file-name file.
Call Fexpand_file_name for auto-save-list-file-name.

(syms_of_fileio): Set up Qfile_regular_p.

special code for WINDOWSNT.

(Fexpand_file_name) [DOS_NT]: Don't strip slash from default dirs like "C:\\"
Preserve drive letter case.
Fix syntax errors.
Check drive letter when expanding ~\.

(build_annotations): Call format-annotate-function for each element of
buffer_file_format.

before looking for a handler on the directory arg.

(syms_of_fileio): Minor rearrangement.

(Ffile_name_nondirectory): Delete special MSDOG code now covered by macros.

instead of direct access to the save_modiff field.

(Finsert_file_contents, Fwrite_region): Error if buffer is indirect.
(Fdo_auto_save): Do nothing for an indirect buffer.

(Fsubstitute_in_file_name): Run a handler.
(Qsubstitute_in_file_name): New variable.
(syms_of_fileio): Set it up.

such as the filename even before signaling error for non-regular file.

/' to uses of the macros IS_ANY_SEP, IS_DIRECTORY_SEP,
S_DEVICE_SEP, DIRECTORY_SEP, and DEVICE_SEP.

[WINDOWSNT]: Don't define HAVE_FSYNC; add includes for NT.

(Ffile_name_absolute_p): Test DOS_NT instead of MSDOS.
(Fwrite_region, Fdo_auto_save, Ffile_modes): Likewise.

(Qfind_buffer_file_type): Test DOS_NT instead of MSDOS.
(syms_of_files): Likewise.
(Finsert_file_types): Test DOS_NT instead of MSDOS.
Rename local var try to trytry.

(Fadd_name_to_file): Wlways fail.
(Frename_file) [WINDOWSNT]: Use MoveFile, not link and unlink,
and check for both ERROR_FILE_EXISTS and ERROR_ALREADY_EXISTS.
(Fmake_directory_internal) [WINDOWSNT]: Invoke mkdir without the mask.

(Fexpand_file_name): Test DOS_NT, not MSDOS.
(Fexpand_file_name) [WINDOWSNT]: Accept // or \\ at start.
Call dostonunix_filename for HOME envvar, for ~USER.
Quote directory separators found in environment variables.
(Fsubstitute_in_file_name): Test DOS_NT instead of MSDOS.
(Fsubstitute_in_file_name) [WINDOWSNT]: Accept // or \\ at start.
Work around alloca bug in MS compiler.
(Ffile_name_directory): Test DOS_NT instead of MSDOS sometimes.
But don't insert a drive letter on windows.

(syms_of_fileio): defsubr it.

Don't use XFASTINT as an lvalue.

macros instead of calling XSET directly.

Fmake_symbolic_link, Fwrite_region, Fverify_visited_file_modtime,
Fdo_auto_save, Fread_file_name_internal, Fread_file_name): Use type test
macros.

(check_executable, check_writable): New functions.
(Ffile_executable_p, Ffile_writable_p): Use the new functions.

(Fread_file_name): If DEFAULT is nil and INITIAL is not,
use INITIAL to set DEFAULT.

(ro_fsys): Deleted.

variables.