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[lyx.git] / src / mathed / InsetMathFrac.cpp

diff --git a/src/mathed/InsetMathFrac.cpp b/src/mathed/InsetMathFrac.cpp
index 7f5323b8d611548a3f38201fe7ca8f100ffabe36..11d24469db1c09b752105035e8a1951186a2fcbb 100644 (file)
--- a/src/mathed/InsetMathFrac.cpp
+++ b/src/mathed/InsetMathFrac.cpp
@@ -42,7 +42,9 @@ InsetMathFracBase::InsetMathFracBase(Buffer * buf, idx_type ncells)
 
 bool InsetMathFracBase::idxUpDown(Cursor & cur, bool up) const
 {
-       InsetMath::idx_type target = !up; // up ? 0 : 1, since upper cell has idx 0
+       // If we only have one cell, target = 0, otherwise
+       // target = up ? 0 : 1, since upper cell has idx 0
+       InsetMath::idx_type target = nargs() > 1 ? !up : 0;
        if (cur.idx() == target)
                return false;
        cur.idx() = target;
@@ -384,18 +386,10 @@ void InsetMathFrac::octave(OctaveStream & os) const
 
 void InsetMathFrac::mathmlize(MathStream & os) const
 {
-       switch (kind_) {
-       case DFRAC:
-               os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
-               break;
-       case TFRAC:
-               os << MTag("mtfrac") << cell(0) << cell(1) << ETag("mtfrac");
-               break;
-       case FRAC:
-       default:
-               os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
-               break;
-       }
+       os << MTag("mfrac")
+          << MTag("mrow") << cell(0) << ETag("mrow")
+                << MTag("mrow") << cell(1) << ETag("mrow")
+                << ETag("mfrac");
 }