screens/details: correctly account for empty field values

CHANGELOG.md

@@ -9,6 +9,7 @@ This project adheres to [Semantic Versioning](https://semver.org)
 * Downloader: uncaught exception on missing `resolve()` plugin function.
 * Correctly look for `--author` option, not `--authors`.
 * Screens/details: "Serie" -> "Series"
+* Screens/details: Correctly print empty fields.
 
 ## [v0.8.0] - 2019-05-26
 

src/tui/screens/item_details.cpp

@@ -99,6 +99,10 @@ namespace bookwyrm::tui::screen {
             for (const auto str : substrings) {
                 print(indent, y++, str);
             }
+
+            if (substrings.empty()) {
+                y++;
+            }
         }
     }