bin/xlockscreen: add comment

diff --git a/bin/xlockscreen b/bin/xlockscreen
index 01539b28b69c3e59d763b72ec62f6f9dac2565cf..11b8aecfff44f464a95959656ded0025e49de001 100755 (executable)
--- a/bin/xlockscreen
+++ b/bin/xlockscreen
@@ -86,7 +86,7 @@ elif test x"$1" = xlock; then
         xscreensaver-command -time >/dev/null 2>&1 || xscreensaver &
 
         # It can take a while for xscreensaver to start, wait until it's
-        # ready.
+        # ready. a || b && c behaves like (a || b) && c.
         while :; do
             xscreensaver-command -lock || test $? -ne 255 && break
         done