X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/runlisp/blobdiff_plain/eea3b0c741a7d46d5b36b59a04c57f5b3d49643b..refs/heads/master:/runlisp.1.in

diff --git a/runlisp.1.in b/runlisp.1.in
index 2bfbf22..c015ea0 100644
--- a/runlisp.1.in
+++ b/runlisp.1.in
@@ -58,12 +58,18 @@ runlisp \- run Common Lisp programs as scripts
 .br
 .B runlisp
 .RI [ options ]
+.RB [ \-d
+.IR form ]
 .RB [ \-e
-.IR form  ]
+.IR form ]
 .RB [ \-l
 .IR file ]
 .RB [ \-p
-.IR form  ]
+.IR form ]
+.if !t \{\
+.br
+	\c
+.\}
 .RB [ \-\- ]
 .RI [ arguments
 \*(..]
@@ -164,15 +170,13 @@ Negate with
 or
 .BR \-\-no-command-line-only .
 This has no effect in eval mode.
-which is set at compile time.
 .
 .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:
@@ -181,6 +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
@@ -199,6 +210,32 @@ All of the files are expected to be as described in
 .BR runlisp.conf (5).
 .
 .TP
+.BI "\-d" "\fR, " "\-\-dump-expression=" expr
+Evaluate the expression(s)
+.I expr
+and print the resulting value(s)
+to standard output
+(with
+.B *print-escape*
+true, as if by
+.BR prin1 ).
+If a form produces multiple values,
+they are printed on a single line,
+separated by a single space character;
+if a form produces no values at all,
+then nothing is printed \(en not even a newline character.
+This option causes
+.B runlisp
+to execute in
+.I eval
+mode.
+See also
+.RB ` \-p ',
+which prints with
+.B *print-escape*
+false.
+.
+.TP
 .BI "\-e" "\fR, " "\-\-evaluate-expression=" expr
 Evaluate the expression(s)
 .I expr
@@ -247,13 +284,15 @@ and overrides any similarly named setting
 from the configuration file(s).
 .
 .TP
-.BI "\-p" "\fR, " "\-\-print-expressin=" expr
+.BI "\-p" "\fR, " "\-\-print-expression=" expr
 Evaluate the expression(s)
 .I expr
 and print the resulting value(s)
 to standard output
-(as if by
-.BR prin1 ).
+(with
+.B *print-escape*
+false, as if by
+.BR princ ).
 If a form produces multiple values,
 they are printed on a single line,
 separated by a single space character;
@@ -264,6 +303,11 @@ This option causes
 to execute in
 .I eval
 mode.
+See also
+.RB ` \-d ',
+which prints with
+.B *print-escape*
+true.
 .
 .TP
 .BR "\-q" ", " "\-\-quiet"
@@ -290,13 +334,14 @@ Higher verbosity levels print informational and debugging messages.
 .
 .PP
 The
+.RB ` \-d ',
 .RB ` \-e ',
 .RB ` \-l ',
 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.
@@ -308,7 +353,7 @@ instead, use
 to load code from files.
 The
 .IR arguments ,
-ppif any,
+if any,
 are still made available to the evaluated forms and loaded files.
 .
 .SS "Operation"
@@ -323,6 +368,7 @@ though the boundary may be marked explicitly using
 .RB ` \-\- '
 if desired.
 If the command line contains any of
+.RB ` \-d ',
 .RB ` \-e ',
 .RB ` \-l ',
 or
@@ -348,6 +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
@@ -422,6 +471,7 @@ and
 is now committed to
 .I script
 mode, so it's too late for
+.RB ` \-d ',
 .RB ` \-e ',
 .RB ` \-l ',
 and