Don't use FILE_SYSTEM_CASE in MS-DOS, or anywhere else.

 src/s/msdos.h (FILE_SYSTEM_CASE): Don't define.
 src/fileio.c (FILE_SYSTEM_CASE): Don't define.
 (Ffile_name_directory, Fexpand_file_name): Don't use FILE_SYSTEM_CASE.
 Fixes problems on MS-DOS with Vtemp_file_name_pattern when
 call-process-region passes it through expand-file-name.
 src/dired.c (file_name_completion): Don't use FILE_SYSTEM_CASE.
 admin/CPP-DEFINES: Remove FILE_SYSTEM_CASE.

1 files changed, 0 insertions, 4 deletions

diff --git a/src/s/msdos.h b/src/s/msdos.h
index cde24147c57..d2058f2e425 100644
--- a/src/s/msdos.h
+++ b/src/s/msdos.h
@@ -94,10 +94,6 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
 :se=</SO>:so=<SO>:us=<UL>:ue=</UL>:md=<BD>:mh=<DIM>:mb=<BL>:mr=<RV>:me=<NV>:\
 :AB=<BG %d>:AF=<FG %d>:op=<DefC>:"
 
-/* Define this to a function (Fdowncase, Fupcase) if your file system
-   likes that.  */
-#define FILE_SYSTEM_CASE Fmsdos_downcase_filename
-
 /* Define this to be the separator between devices and paths.  */
 #define DEVICE_SEP ':'