Related: tdf#127013 Check loaded separators for validity

... not only if something is present at all.
That way future restrictions can reset separators.

Change-Id: I738bcb9e052e8dbecb0a6cd07bbae8f4a8ea1c35
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117072
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins
diff --git a/sc/source/ui/optdlg/tpformula.cxx b/sc/source/ui/optdlg/tpformula.cxx
index 2f24e07..c7d29e0 100644
--- a/sc/source/ui/optdlg/tpformula.cxx
+++ b/sc/source/ui/optdlg/tpformula.cxx
@@ -372,9 +372,9 @@ void ScTpFormulaOptions::Reset(const SfxItemSet* rCoreSet)
    OUString aSepArrayRow = aOpt.GetFormulaSepArrayRow();
    OUString aSepArrayCol = aOpt.GetFormulaSepArrayCol();

    if (aSep.getLength() == 1 && aSepArrayRow.getLength() == 1 && aSepArrayCol.getLength() == 1)
    if (IsValidSeparator(aSep, false) && IsValidSeparator(aSepArrayRow, true) && IsValidSeparator(aSepArrayCol, true))
    {
        // Each separator must be one character long.
        // Each and all separators must be valid.
        mxEdSepFuncArg->set_text(aSep);
        mxEdSepArrayCol->set_text(aSepArrayCol);
        mxEdSepArrayRow->set_text(aSepArrayRow);