(Invoking lilypond): add note

about resource usage.

diff --git a/Documentation/user/invoking.itely b/Documentation/user/invoking.itely
index 3a5757a9819402c5fa3d49082565e8c01e2b4e70..c05ad87c28d1d745824df3d62e9d855f252190e3 100644 (file)
--- a/Documentation/user/invoking.itely
+++ b/Documentation/user/invoking.itely
@@ -117,6 +117,12 @@ disables the use of backslashes in @TeX{} strings.
 In @code{--safe} mode, it is not possible to import LilyPond variables
 into Scheme. 
 
+@code{--safe} does @emph{not} detect resource overuse. It is still
+possible to make the program hang indefinitely, for example by feeding
+cyclic data structures into the backend.  If using LilyPond
+on a publically accessible webserver, the process should limited in both
+allowed  CPU and memory usage.
+
 @item -v,--version
 Show version information.
 @item -V,--verbose