+Changer FontInfo::changeColor(ColorCode const color)
+{
+ return make_change(color_, color);
+}
+
+
+Changer FontInfo::changeShape(FontShape const shape)
+{
+ return make_change(shape_, shape);
+}
+
+
+Changer FontInfo::changeStyle(MathStyle const new_style)
+{
+ return make_change(style_, new_style);
+}
+
+
+Changer FontInfo::change(FontInfo font, bool realiz)
+{
+ if (realiz)
+ font.realize(*this);
+ return make_change(*this, font);
+}
+
+