X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/runlisp/blobdiff_plain/d586960a855552cb9c96cc5d670b123af82e7d05..refs/heads/master:/runlisp.1.in

diff --git a/runlisp.1.in b/runlisp.1.in
index 67baa5a..c015ea0 100644
--- a/runlisp.1.in
+++ b/runlisp.1.in
@@ -174,10 +174,9 @@ This has no effect in eval mode.
 .TP
 .BI "\-L" "\fR, " "\-\-accept-lisp=" sys , sys ,\fR\*(..
 Use one of the named Lisp systems.
-Each
+The
 .I sys
-must name a supported Lisp system;
-the names are separated by a comma
+names are separated by a comma
 .RB ` , '
 and/or one or more whitespace characters.
 This option may be given more than once:
@@ -186,6 +185,13 @@ listing all of the systems named, in the same order.
 If a system is named more than once,
 a warning is issued (at verbosity level 1 or higher),
 and all but the first occurrence is ignored.
+System names which do not refer to known Lisp systems
+are silently ignored:
+otherwise, a script which supports an unusual Lisp system
+could never run at a site which doesn't have
+configuration runes for that Lisp system,
+even though they're useless
+if the system isn't actually installed.
 .
 .TP
 .BI "\-c" "\fR, " "\-\-config-file=" conf