Fix link issues

Author: dpvc

ts/input/tex/cases/CasesConfiguration.ts

@@ -134,6 +134,7 @@ export const CasesMethods = {
    *
    * @param {TexParser} parser      The active tex parser.
    * @param {string} name           The environment name.
+   * @returns {ParseResult}         The parser result code.
    */
   Entry(parser: TexParser, name: string): ParseResult {
     if (!parser.stack.Top().getProperty('numCases')) {
@@ -210,6 +211,7 @@ export const CasesMethods = {
     const text = tex.substring(parser.i, i).replace(/^\s*/, '');
     parser.PushAll(ParseUtil.internalMath(parser, text, 0));
     parser.i = i;
+    return null;
   },
 
   /**

ts/input/tex/empheq/EmpheqConfiguration.ts

@@ -38,8 +38,8 @@ export const EmpheqMethods = {
   /**
    * Handle an empheq environment.
    *
-   * @param {TexParser} parser        The active tex parser.
-   * @param {EmpheqBeginItem} begin   The begin item for this environment.
+   * @param {TexParser} parser   The active tex parser.
+   * @param {BeginItem} begin    The begin item for this environment.
    */
   Empheq(parser: TexParser, begin: BeginItem) {
     if (parser.stack.env.closing === begin.getName()) {