local variable shift retroguard vs specialsource

gistfile1.txt

minecraft 1.5

rg $  diff -ur src src-|wc -l
   16286

rg $ ls -l
total 23216
-rw-r--r--  1 jeff  wheel  5891325 Mar 10 18:50 minecraft_rg.jar
-rw-r--r--  1 jeff  wheel  5991980 Mar 10 19:10 minecraft_rg_ss.jar
drwx------  4 jeff  wheel      136 Mar 10 18:52 src
drwx------  4 jeff  wheel      136 Mar 10 18:51 
...

diff -ur src src-

diff -ur src/minecraft/net/minecraft/server/MinecraftServer.java src-/minecraft/net/minecraft/server/MinecraftServer.java
--- src/minecraft/net/minecraft/server/MinecraftServer.java     2013-03-10 18:51:56.000000000 -0700
+++ src-/minecraft/net/minecraft/server/MinecraftServer.java    2013-03-10 18:50:08.000000000 -0700
@@ -137,17 +137,17 @@
       this.field_71305_c = new WorldServer[3];
       this.field_71312_k = new long[this.field_71305_c.length][100];
       ISaveHandler var7 = this.field_71310_m.func_75804_a(p_71247_1_, true);
-      WorldInfo var9 = var7.func_75757_d();
-      WorldSettings var8;
-      if(var9 == null) {
-         var8 = new WorldSettings(p_71247_3_, this.func_71265_f(), this.func_71225_e(), this.func_71199_h(), p_71247_5_);
-         var8.func_82750_a(p_71247_6_);
+      WorldInfo var8 = var7.func_75757_d();
+      WorldSettings var9;
+      if(var8 == null) {
+         var9 = new WorldSettings(p_71247_3_, this.func_71265_f(), this.func_71225_e(), this.func_71199_h(), p_71247_5_);
+         var9.func_82750_a(p_71247_6_);
       } else {
-         var8 = new WorldSettings(var9);
+         var9 = new WorldSettings(var8);
       }
 
       if(this.field_71289_N) {
-         var8.func_77159_a();
+         var9.func_77159_a();
       }
 
       for(int var10 = 0; var10 < this.field_71305_c.length; ++var10) {
@@ -164,10 +164,10 @@
             if(this.func_71242_L()) {
                this.field_71305_c[var10] = new DemoWorldServer(this, var7, p_71247_2_, var11, this.field_71304_b, this.func_98033_al());
             } else {
-               this.field_71305_c[var10] = new WorldServer(this, var7, p_71247_2_, var11, var8, this.field_71304_b, this.func_98033_al());
+               this.field_71305_c[var10] = new WorldServer(this, var7, p_71247_2_, var11, var9, this.field_71304_b, this.func_98033_al());
             }
          } else {
-            this.field_71305_c[var10] = new WorldServerMulti(this, var7, p_71247_2_, var11, var8, this.field_71305_c[0], this.field_71304_b, this.func_98033_al());
+            this.field_71305_c[var10] = new WorldServerMulti(this, var7, p_71247_2_, var11, var9, this.field_71305_c[0], this.field_71304_b, this.func_98033_al());
          }
 
          this.field_71305_c[var10].func_72954_a(new WorldManager(this, this.field_71305_c[var10]));