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-rw-r--r--include/ruby/defines.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h
index 6dfb44e407..88ab53f8e6 100644
--- a/include/ruby/defines.h
+++ b/include/ruby/defines.h
@@ -148,6 +148,11 @@ void xfree(void*);
#endif
#if defined(_WIN32) || defined(__EMX__)
+/*
+ DOSISH mean MS-Windows style filesystem.
+ But you should use more precise macros like DOSISH_DRIVE_LETTER, PATH_SEP,
+ ENV_IGNORECASE or CASEFOLD_FILESYSTEM.
+ */
#define DOSISH 1
# define DOSISH_DRIVE_LETTER
#endif