Merge branch 'patches/autodoc-value-parser' into 8.0

* patches/autodoc-value-parser:
  Tools.AutoDoc.DocParser: Improved error handling for @value.

lib/modules/Tools.pmod/AutoDoc.pmod/DocParser.pmod

@@ -459,9 +459,13 @@ protected class DocParserClass {
     return t->xml();
   }
 
-  protected string valueArgHandler(string keyword, string arg) {
+  protected string valueArgHandler(string keyword, string arg)
+  {
     //  werror("This is the @value arg handler ");
+    catch {
+      // NB: Throws errors on some syntax errors.
       .PikeParser parser = .PikeParser(arg, currentPosition);
+
       //  werror("&&& %O\n", arg);
       string s = parser->parseLiteral() || parser->parseIdents();
       string s2 = 0;
@@ -481,7 +485,8 @@ protected class DocParserClass {
       else
         if (s2)
           return xmltag("maxvalue", xmlquote(s2));
-      else
+    };
+
     parseError("@value: expected identifier or literal constant, got %O", arg);
     return "";
   }