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-rw-r--r--src/s/gnu-linux.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index a74d08a3c84..09a09b2f19c 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -227,7 +227,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Use BSD process groups, but use setpgid() instead of setpgrp() to
actually set a process group. */
-
+/* Interesting: only GNU/Linux defines this, but the BSDs do not... */
#define BSD_PGRPS
#define NARROWPROTO 1