diff --git a/source/compiler/sc1.c b/source/compiler/sc1.c
index 6b76991..2795320 100644
--- a/source/compiler/sc1.c
+++ b/source/compiler/sc1.c
@@ -4690,7 +4690,7 @@ static int testsymbols(symbol *root,int level,int testlabs,int testconst)
       /* a variable */
       if (sym->parent!=NULL)
         break;                      /* hierarchical data type */
-      if ((sym->usage & (uWRITTEN | uREAD | uSTOCK))==0) {
+      if ((sym->usage & (uWRITTEN | uREAD | uSTOCK | uPUBLIC))==0) {
         if (testconst)
           errorset(sSETPOS,sym->lnumber);
         error(203,sym->name,sym->lnumber);  /* symbol isn't used (and not stock) */
diff --git a/source/compiler/sc2.c b/source/compiler/sc2.c
index db9f420..55da378 100644
--- a/source/compiler/sc2.c
+++ b/source/compiler/sc2.c
@@ -1343,8 +1343,19 @@ static int command(void)
           } /* if */
           break;
         default: {
-          char s2[20];
           extern char *sc_tokens[];/* forward declaration */
+          char s2[33]="-";
+          if ((char)tok=='-') {
+            if (lex(&val,&str)==tNUMBER) {
+              outval(-val,FALSE);
+              code_idx+=opargs(1);
+              break;
+            } else {              
+              strcpy(s2+1, str);
+              error(1,sc_tokens[tSYMBOL-tFIRST],s2);
+              break;
+            } /* if */
+          } /* if */          
           if (tok<256)
             sprintf(s2,"%c",(char)tok);
           else
diff --git a/source/compiler/sc6.c b/source/compiler/sc6.c
index 1e235ae..8e9e2c6 100644
--- a/source/compiler/sc6.c
+++ b/source/compiler/sc6.c
@@ -160,26 +160,26 @@ static uint32_t *align32(uint32_t *v)
 #if PAWN_CELL_SIZE>=64
 static uint64_t *align64(uint64_t *v)
 {
-	unsigned char *s = (unsigned char *)v;
-	unsigned char t;
+  unsigned char *s = (unsigned char *)v;
+  unsigned char t;
 
-	t=s[0];
-	s[0]=s[7];
-	s[7]=t;
+  t=s[0];
+  s[0]=s[7];
+  s[7]=t;
 
-	t=s[1];
-	s[1]=s[6];
-	s[6]=t;
+  t=s[1];
+  s[1]=s[6];
+  s[6]=t;
 
-	t=s[2];
-	s[2]=s[5];
-	s[5]=t;
+  t=s[2];
+  s[2]=s[5];
+  s[5]=t;
 
-	t=s[3];
-	s[3]=s[4];
-	s[4]=t;
+  t=s[3];
+  s[3]=s[4];
+  s[4]=t;
 
-	return v;
+  return v;
 }
 #endif
 
@@ -747,7 +747,8 @@ SC_FUNC int assemble(FILE *fout,FILE *fin)
         mainaddr=sym->addr;
       } /* if */
     } else if (sym->ident==iVARIABLE) {
-      if ((sym->usage & uPUBLIC)!=0)
+      if ((sym->usage & uPUBLIC)!=0
+          && ((sym->usage & uSTOCK)==0 || (sym->usage & (uREAD | uWRITTEN))!=0))
         match=++numpubvars;
     } /* if */
     if (match) {
@@ -925,6 +926,8 @@ SC_FUNC int assemble(FILE *fout,FILE *fin)
   count=0;
   for (sym=glbtab.next; sym!=NULL; sym=sym->next) {
     if (sym->ident==iVARIABLE && (sym->usage & uPUBLIC)!=0) {
+      if ((sym->usage & uSTOCK)!=0 && (sym->usage & (uREAD | uWRITTEN))==0)
+        continue;
       assert((sym->usage & uDEFINE)!=0);
       assert(sym->vclass==sGLOBAL);
       func.address=sym->addr;