Don't require ; to have space after in comments

asm.js

@@ -58,7 +58,8 @@ class Tokenizer {
         this.buffer.push(...src);
         let token;
         while (token = this.next()) {
-            if (token == this.comment_start)
+            if (token.string == undefined
+				&& token.startsWith(this.comment_start))
                 this.comment = true;
             else if (this.comment && token == LINE_END)
                 this.comment = false;
@@ -522,26 +523,21 @@ class Parser {
 
     token_global_init(token) {
         if (token == LINE_END) {
-            console.error(
-                "ERROR: Unexpected newline in .global: expected"
-                    + " initial value");
-            this.global = undefined;
-            this.global_name = undefined;
-            this.state = State.TOP;
+			this.global.init = 0;
         } else {
             const value = this.integer(token) ?? console.error(
                 `ERROR: Unexpected token ${token} in .global: expected`
                     + " initial value");
             this.global.init = value;
-            const action = {
-                type: Action.GLOBAL,
-                global: { [this.global_name]: this.global }
-            };
-            this.global = undefined;
-            this.global_name = undefined;
-            this.state = State.TOP;
-            return action;
-        }
+		}
+        const action = {
+            type: Action.GLOBAL,
+            global: { [this.global_name]: this.global }
+        };
+        this.global = undefined;
+        this.global_name = undefined;
+        this.state = State.TOP;
+        return action;
     }
 
     token_at_mem(token) {