commands.c: 'options' equivalent to 'option' and allow 'loadsnap' and 'savesnap'

which have been EXPERIMENTAL_CODE so far

src/frontend/commands.c

@@ -86,10 +86,7 @@
 
 #include "arg.h"
 
-#ifdef EXPERIMENTAL_CODE
-#include "com_option.h"
 #include "spiceif.h" /* for com_loadsnap() and com_savesnap() */
-#endif
 
 #include "com_dl.h"
 
@@ -131,12 +128,16 @@ struct comm spcp_coms[] = {
       "[option] [option = value] ... : Set a variable." } ,
 
 
-/* PN support for altering options in interactive mode */    
+/* support for altering options in interactive mode,
+   using either command 'option' or 'options'*/    
     { "option", com_option, TRUE, TRUE,
       { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 0, LOTS,
       arg_set,
       "[option] [option = value] ... : Set a simulator option." } ,
-#ifdef EXPERIMENTAL_CODE
+    { "options", com_option, TRUE, TRUE,
+      { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 0, LOTS,
+      arg_set,
+      "[option] [option = value] ... : Set a simulator option." } ,
     { "savesnap", com_savesnap, FALSE, TRUE,
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 1, 1,
       NULL,
@@ -145,8 +146,6 @@ struct comm spcp_coms[] = {
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 2, 2,
       NULL,
       "file : Load a snapshot." } ,
-#endif    
-    
     { "alias", com_alias, FALSE, FALSE,
       { 02, 04, 04, 04 }, E_ADVANCED, 0, LOTS,
       NULL,

src/frontend/spiceif.c

@@ -1319,7 +1319,6 @@ if_getstat(CKTcircuit *ckt, char *name) {
    LTRA transmission line will not do.
    Many others are not tested.
 */
-#ifdef EXPERIMENTAL_CODE
 
 #include "ngspice/cktdefs.h"
 #include "ngspice/trandefs.h"
@@ -1726,4 +1725,3 @@ void com_savesnap(wordlist *wl)
 
 }
 
-#endif /* EXPERIMENTAL_CODE */

src/frontend/spiceif.h

@@ -13,9 +13,7 @@ void if_dump(CKTcircuit *ckt, FILE *file);
 void if_cktfree(CKTcircuit *ckt, INPtables *tab);
 int  if_analQbyName(CKTcircuit *ckt, int which, JOB *anal, char *name, IFvalue *parm);
 
-#ifdef EXPERIMENTAL_CODE
 void com_loadsnap(wordlist *wl);
 void com_savesnap(wordlist *wl);
-#endif
 
 #endif /* SPICEIF_H_INCLUDED */

src/main.c

@@ -353,10 +353,8 @@ if_getstat(CKTcircuit *ckt, char *name)
     return (NULL);
 }
 
-#ifdef EXPERIMENTAL_CODE
 void com_loadsnap(wordlist *wl) { return; }
 void com_savesnap(wordlist *wl) { return; }
-#endif
 
 void SMPprint( SMPmatrix *n1 , char *n2)
 {