fix: skip empty comment strings in apply_localized_comments

Address review feedback on PR #5956: do not call setComment() when the localized string is empty, preserving the English fallback.

1 files changed, 5 insertions, 1 deletions

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 67e8214bf2..b0c13d9818 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -3144,7 +3144,11 @@ static void apply_localized_comments(LLControlGroup& group, const LLSD& comments
         LLControlVariablePtr control = group.getControl(it->first);
         if (control.notNull())
         {
-            control->setComment(it->second.asString());
+            const std::string comment = it->second.asString();
+            if (!comment.empty())
+            {
+                control->setComment(comment);
+            }
         }
     }
 }