(init_buffer): Fix PWD comment.

314dbe9a · Paul Eggert · 3a2ceb9e · 314dbe9a
Commit 314dbe9a authored Apr 23, 2002 by Paul Eggert
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src/buffer.c src/buffer.c +3 -2

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--- a/src/buffer.c
+++ b/src/buffer.c
@@ -4973,8 +4973,9 @@ init_buffer ()
  if (NILP (buffer_defaults.enable_multibyte_characters))
    Fset_buffer_multibyte (Qnil);

-  /* If PWD is accurate, use it instead of calling getwd.  This is faster
-     when PWD is right, and may avoid a fatal error.  */
+  /* If PWD is accurate, use it instead of calling getwd.  PWD is
+     sometimes a nicer name, and using it may avoid a fatal error if a
+     parent directory is searchable but not readable.  */
  if ((pwd = getenv ("PWD")) != 0
      && (IS_DIRECTORY_SEP (*pwd) || (*pwd && IS_DEVICE_SEP (pwd[1])))
      && stat (pwd, &pwdstat) == 0