libvaladoc: Skip empty Version.replacement attribute to avoid critical

diff --git a/libvaladoc/html/basicdoclet.vala b/libvaladoc/html/basicdoclet.vala
index acd94cf5f87afcce92030ad14d3033f45d8baaca..46578c28fbd95a7a4fae15c3d25debe880ae068c 100644 (file)
--- a/libvaladoc/html/basicdoclet.vala
+++ b/libvaladoc/html/basicdoclet.vala
@@ -497,7 +497,7 @@ public abstract class Valadoc.Html.BasicDoclet : Api.Visitor, Doclet {
 
                        writer.text (".");
 
-                       if (replacement != null) {
+                       if (replacement != null && replacement.length > 2) {
                                Api.Node? replacement_node = tree.search_symbol_str (pos,
                                        replacement.substring (1, replacement.length - 2));