Fix javadoc generation

Author: MightyHelper

src/main/java/ko/carbonel/syntax/grammar/generator/output/TinyRustMIPSCodeGenerator.java

@@ -25,15 +25,17 @@
 
 /**
  * Stack Frame Format:
- * main| local vars < Base FP points to first local 00, first local var
+ * <pre>
+ * main| local vars &lt; Base FP points to first local 00, first local var
  * main| [maybe data from expression]
  * ...
  * call| Old $fp
  * call| $ra
  * call| self
  * call| args
- * call| local vars < new FP points to first local var
+ * call| local vars &lt; new FP points to first local var
  * call| [maybe data from expression]
+ * </pre>
  */
 public class TinyRustMIPSCodeGenerator extends MIPSCodeGenerator<TinyRustSymbolTable> {
 	public static final String METHOD_MAIN = "method_main";