From cd95b04c7e2975210823db08010056f9da9d4001 Mon Sep 17 00:00:00 2001
From: manongjohn <dancel@ptd.net>
Date: Nov 26 2017 08:13:12 +0000
Subject: Minus sign crash fix


---

diff --git a/toonz/sources/common/tunit/tunit.cpp b/toonz/sources/common/tunit/tunit.cpp
index 90bbf63..6609619 100644
--- a/toonz/sources/common/tunit/tunit.cpp
+++ b/toonz/sources/common/tunit/tunit.cpp
@@ -457,7 +457,7 @@ void TMeasuredValue::setMeasure(std::string measureName) {
 //-------------------------------------------------------------------
 
 bool TMeasuredValue::setValue(std::wstring s, int *pErr) {
-  if (s == L"") {
+  if (s == L"" || s == L"-") {
     if (pErr) *pErr = -1;
     return false;
   }