runlisp.c, README.org: Ignore unknown permitted Lisp systems.

[runlisp] / runlisp.1.in

diff --git a/runlisp.1.in b/runlisp.1.in
index 1a8642d292225a96ae3d3e0769eb616db746b437..c015ea05b901112fbbac2dc7f13f0732a631887c 100644 (file)
--- 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
@@ -335,7 +341,7 @@ and
 .RB ` \-p '
 options may only be given on the command-line itself,
 not following a
-.RB `@ RUNLISP: '
+.RB ` @RUNLISP: '
 marker in a script.
 These options may be given multiple times:
 they will be processed in the order given.
@@ -388,6 +394,9 @@ mode.
 In
 .I script
 mode,
+and if the
+.RB ` \-E '
+option was not given,
 .B runlisp
 reads the second line of the script file,
 and checks to see if it contains the string