Evaluate template args for missing templates else en.w flags will sometimes be large

400_xowa/src/gplx/xowa/parsers/tmpls/Xot_compile_data.java

@@ -19,5 +19,5 @@ package gplx.xowa.parsers.tmpls; import gplx.*; import gplx.xowa.*; import gplx.
 public class Xot_compile_data {
 	public boolean OnlyInclude_exists;
 	public boolean Arg_nde_has_key() {return arg_nde_has_key;} public Xot_compile_data Arg_nde_has_key_(boolean v) {arg_nde_has_key = v; return this;} private boolean arg_nde_has_key;
-	public static final Xot_compile_data Null = new Xot_compile_data();
+	public static final    Xot_compile_data Noop = new Xot_compile_data();
 }

400_xowa/src/gplx/xowa/parsers/tmpls/Xot_defn_tmpl.java

@@ -77,7 +77,7 @@ public class Xot_defn_tmpl implements Xot_defn {
 				byte[] new_data = Extract_onlyinclude(data_raw, wiki.Utl__bfr_mkr());
 				Xop_ctx new_ctx = Xop_ctx.New__sub(wiki, ctx, page);	// COMMENT:changed from ctx.Page() to page; DATE:2016-07-11
 				Xot_defn_tmpl tmpl = wiki.Parser_mgr().Main().Parse_text_to_defn_obj(new_ctx, new_ctx.Tkn_mkr(), wiki.Ns_mgr().Ns_template(), Bry_.Empty, new_data);
-				tmpl.Root().Tmpl_compile(new_ctx, new_data, Xot_compile_data.Null);
+				tmpl.Root().Tmpl_compile(new_ctx, new_data, Xot_compile_data.Noop);
 				data_raw = new_data;
 				root = tmpl.Root();
 			}

400_xowa/src/gplx/xowa/parsers/tmpls/Xot_invk_tkn.java

@@ -199,13 +199,15 @@ public class Xot_invk_tkn extends Xop_tkn_itm_base implements Xot_invk {
 								bfr.Add(Xop_curly_bgn_lxr.Hook).Add(name_ary_orig).Add(Xop_curly_end_lxr.Hook);
 								return false;
 							}								
-							else {	// output entire tmpl_src WITH args; used to output name only which broke pages; PAGE:en.w:Flag_of_Greenland; DATE:2016-06-21
+							else {// output entire tmpl_src WITH args; used to output name only which broke pages; PAGE:en.w:Flag_of_Greenland; DATE:2016-06-21
 								bfr.Add(Xop_curly_bgn_lxr.Hook);
 								bfr.Add(name_ary);
 								for (int i = 0; i < args_len; ++i) {
 									Arg_nde_tkn nde = this.Args_get_by_idx(i);
 									bfr.Add_byte(Byte_ascii.Pipe);
-									bfr.Add_mid(src, nde.Src_bgn(), nde.Src_end());
+									// must evaluate args; "size={{{size|}}}" must become "size="; PAGE:en.w:Europe; en.w:Template:Country_data_Guernsey DATE:2016-10-13
+									nde.Tmpl_compile(ctx, src, Xot_compile_data.Noop);
+									nde.Tmpl_evaluate(ctx, src, caller, bfr);
 								}
 								bfr.Add(Xop_curly_end_lxr.Hook);
 								return false;

400_xowa/src/gplx/xowa/parsers/tmpls/Xot_invk_wkr__missing__tst.java

@@ -31,6 +31,12 @@ public class Xot_invk_wkr__missing__tst {
 		fxt.Test_parse_tmpl_str("{{test_template}}", "{{{{{1}}}| a | b }}");	// NOTE: this should include spaces (" {{{1}}} "), but for now, ignore
 		fxt.Init_defn_clear();
 	}
+	@Test  public void Missing__evaluate_optional() {	// PURPOSE: missing title should still evaulate optional args; "{{{a|}}}" -> ""; PAGE:en.w:Europe; en.w:Template:Country_data_Guernsey DATE:2016-10-13
+		fxt.Init_defn_clear();
+		fxt.Init_defn_add("test_template", "{{ {{{1}}} | {{{a|}}} | b }}");
+		fxt.Test_parse_tmpl_str("{{test_template}}", "{{{{{1}}}|  | b }}");	// NOTE: "|  |" not "| {{{a|}}} |"
+		fxt.Init_defn_clear();
+	}
 	@Test  public void Missing_foreign() {
 		Xow_ns ns = fxt.Wiki().Ns_mgr().Ns_template();
 		byte[] old_ns = ns.Name_db();