Embeddable: Fix multi-threaded diffs due to non thread-safe parser function {{urldecode}}

400_xowa/src/gplx/xowa/parsers/Xow_parser_mgr.java

@@ -49,6 +49,7 @@ public class Xow_parser_mgr {
 			wbase__time__msgs = Wdata_hwtr_msgs.new_(wiki.Msg_mgr());
 		return wbase__time__msgs;
 	}	private Wdata_hwtr_msgs wbase__time__msgs;
+	public Bry_bfr                  Tmp_bfr()           {return tmp_bfr;} private final    Bry_bfr tmp_bfr = Bry_bfr_.New();
 	public int						Tag__next_idx() {return ++tag_idx;} private int tag_idx; // NOTE:must be wiki-level variable, not page-level, b/c pre-compiled templates can reserve tag #s; PAGE:de.s:Seite:NewtonPrincipien.djvu/465 DATE:2015-02-03
 	public void						Tmpl_stack_del() {--tmpl_stack_ary_len;}
 	public boolean						Tmpl_stack_add(byte[] key) {

400_xowa/src/gplx/xowa/xtns/pfuncs/ttls/Pfunc_urlencode.java

@@ -24,8 +24,8 @@ public class Pfunc_urlencode extends Pf_func_base {	// EX: {{urlencode:a b}} ->
 	@Override public boolean Func_require_colon_arg() {return true;}
 	@Override public void Func_evaluate(Bry_bfr bfr, Xop_ctx ctx, Xot_invk caller, Xot_invk self, byte[] src) {
 		byte[] argx = Eval_argx(ctx, src, caller, self); if (argx == Bry_.Empty) return;
-		gplx.langs.htmls.encoders.Gfo_url_encoder_.Http_url.Encode(urlEncodeBfr, argx);
+		Bry_bfr tmp_bfr = ctx.Wiki().Parser_mgr().Tmp_bfr();
-		bfr.Add_bfr_and_preserve(urlEncodeBfr);
+		gplx.langs.htmls.encoders.Gfo_url_encoder_.Http_url.Encode(tmp_bfr, argx);
-		urlEncodeBfr.Clear();
+		bfr.Add_bfr_and_clear(tmp_bfr);
-	}	private Bry_bfr urlEncodeBfr = Bry_bfr_.New_w_size(128);
+	}
 }