Add "sc" suffix to version number

src/config.h

@@ -23,6 +23,7 @@
 
 #define MAJOR_VERSION          1
 #define MINOR_VERSION          0
+#define VERSION_SUFFIX         "sc"  /* Scheme Conservatory */
 
 
 /* Hack: __GNUC_MINOR__ was introduced together with __attribute__ */

src/subst.c

@@ -53,7 +53,7 @@ Object p_substitute(int ac, Object *av) {
 	    } else if (strcmp(t, "tmpname") == 0) {
 		s = tmpnam(0);
 	    } else if (strcmp(t, "version") == 0) {
-		sprintf(buf, "%d.%d", MAJOR_VERSION, MINOR_VERSION);
+		sprintf(buf, "%s", get_version_string());
 		s = buf;
 	    } else if (strcmp(t, "weekday") == 0) {
 		fmt = "%a";

src/unroff.c

@@ -17,6 +17,14 @@ static int got_filename;
 static int did_ev_start;
 static int tflag;
 
+const char *get_version_string(void) {
+    static char buf[8];
+
+    snprintf(buf, sizeof(buf), "%d.%d%s",
+             MAJOR_VERSION, MINOR_VERSION, VERSION_SUFFIX);
+    return buf;
+}
+
 static void usage(void) {
     fprintf(stderr, "Usage: %s [options] [file...]\n\n", get_progname());
     fprintf(stderr, "  -mname      name of troff macro package (e.g. -ms)\n");

src/unroff.h

@@ -58,3 +58,5 @@ extern void Load_Source_Port(Object);
 #include "scmtable.h"
 #include "stream.h"
 #include "subst.h"
+
+const char *get_version_string(void);