--- rxvt-unicode/src/rxvtperl.xs	2019/09/17 20:38:14	1.245
+++ rxvt-unicode/src/rxvtperl.xs	2021/07/14 12:39:57	1.251
@@ -84,15 +84,15 @@
 
       c.a = rgba::MAX_CC;
 
-      c.r = c.g = c.b = float_to_component (SvIV (*av_fetch (av, 0, 0)));
+      c.r = c.g = c.b = float_to_component (SvNV (*av_fetch (av, 0, 0)));
 
       if (len >= 3)
         {
-          c.g = float_to_component (SvIV (*av_fetch (av, 1, 0)));
-          c.b = float_to_component (SvIV (*av_fetch (av, 2, 0)));
+          c.g = float_to_component (SvNV (*av_fetch (av, 1, 0)));
+          c.b = float_to_component (SvNV (*av_fetch (av, 2, 0)));
 
           if (len >= 4)
-            c.a = float_to_component (SvIV (*av_fetch (av, 3, 0)));
+            c.a = float_to_component (SvNV (*av_fetch (av, 3, 0)));
         }
     }
   else if (s)
@@ -372,15 +372,20 @@
 
 static PerlInterpreter *perl;
 
+#if 0 /* we are not a library anymore, so doing this is just not worth it */
+/*THINK/TODO: this has the side effect of, of course, not calling destructors. */
+/* but therse are not guaranteed anyway... */
 rxvt_perl_interp::~rxvt_perl_interp ()
 {
   if (perl)
     {
+      localise_env set_environ (perl_environ);
       perl_destruct (perl);
       perl_free (perl);
       PERL_SYS_TERM ();
     }
 }
+#endif
 
 void
 rxvt_perl_interp::init ()
@@ -1048,8 +1053,8 @@
     const_iv (PrivMode_MouseBtnEvent),
     const_iv (PrivMode_MouseAnyEvent),
     const_iv (PrivMode_BracketPaste),
-    const_iv (PrivMode_ExtModeMouse),
-    const_iv (PrivMode_ExtMouseRight),
+    const_iv (PrivMode_ExtMouseUTF8),
+    const_iv (PrivMode_ExtMouseUrxvt),
     const_iv (PrivMode_BlinkingCursor),
     const_iv (PrivMode_mouse_report),
     const_iv (PrivMode_Default),
@@ -1564,9 +1569,8 @@
 	CODE:
 {
         RETVAL = THIS->view_start;
-
-        if (newval <= 0)
-          THIS->scr_changeview (max (newval, THIS->top_row));
+        if (items > 1)
+          THIS->scr_changeview (newval);
 }
         OUTPUT:
 	RETVAL
@@ -1786,7 +1790,7 @@
           if (*s == NOCHAR)
             ;
           else if (IS_COMPOSE (*s))
-            dlen += rxvt_composite.expand (*s, 0);
+            dlen += rxvt_composite.expand (*s);
           else
             dlen++;