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-rw-r--r--src/fileio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/fileio.c b/src/fileio.c
index 6d0bafa8cf9..283813ff89e 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1710,7 +1710,7 @@ See also the function `substitute-in-file-name'.")
#endif
/* Put into BUF the concatenation of DIR and FILE, with an intervening
- directory separator if needed. Return a pointer to the NUL byte
+ directory separator if needed. Return a pointer to the null byte
at the end of the concatenated string. */
char *
splice_dir_file (char *buf, char const *dir, char const *file)