Origin: upstream, commit:c7b37d8a26f1ae85136ff3bba9d8ae32134777dd
Author: Maurizio M. Gavioli <mmg@vistamaresoft.com>
Description: Fix #296345 : "Offset" suffix for text style fixed to "sp"
 In the Edit Text Style dlg box, the suffixes of "Offset" values are
 always "sp", but when "Follow staff size" is unchecked, the values are
 considered "mm".

--- a/mscore/editstyle.cpp
+++ b/mscore/editstyle.cpp
@@ -1330,9 +1330,12 @@ void EditStyle::textStyleChanged(int row
                         resetTextStyleOffset->setEnabled(cs->styleV(a.sid) != MScore::defaultStyle().value(a.sid));
                         break;
 
-                  case Pid::SIZE_SPATIUM_DEPENDENT:
-                        textStyleSpatiumDependent->setChecked(cs->styleV(a.sid).toBool());
-                        resetTextStyleSpatiumDependent->setEnabled(cs->styleV(a.sid) != MScore::defaultStyle().value(a.sid));
+                  case Pid::SIZE_SPATIUM_DEPENDENT: {
+                        QVariant val = cs->styleV(a.sid);
+                        textStyleSpatiumDependent->setChecked(val.toBool());
+                        resetTextStyleSpatiumDependent->setEnabled(val != MScore::defaultStyle().value(a.sid));
+                        textStyleOffset->setSuffix(val.toBool() ? tr("sp") : tr("mm"));
+                        }
                         break;
 
                   case Pid::FRAME_TYPE: