From e3b8475a3da059d9654d8f46a0e10bbe0e26c7c7 Mon Sep 17 00:00:00 2001
From: Roberto Fernandez Bautista <roberto.fer.bau@gmail.com>
Date: Sun, 18 Dec 2022 17:06:26 +0100
Subject: [PATCH] Special case unspecified property value (i.e. <...>)

Fixes https://gitlab.com/kicad/code/kicad/-/issues/13200
---
 common/properties/pg_editors.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/properties/pg_editors.cpp b/common/properties/pg_editors.cpp
index b66eada40c..b423f80b06 100644
--- a/common/properties/pg_editors.cpp
+++ b/common/properties/pg_editors.cpp
@@ -94,10 +94,10 @@ void PG_UNIT_EDITOR::UpdateControl( wxPGProperty* aProperty, wxWindow* aCtrl ) c
     {
         m_unitBinder->ChangeValue( var.GetDouble() );
     }
-    else
+    else if( !aProperty->IsValueUnspecified() )
     {
         wxFAIL_MSG( wxT( "PG_UNIT_EDITOR should only be used with numeric properties!" ) );
-    }    
+    }
 }