Use the same @todo hot comment style everywhere.

src/importdxf.cpp

@@ -340,7 +340,7 @@ public:
 
     hStyle styleFor(const DRW_Entity *e) {
         // Color.
-        // TODO: which color to choose: index or RGB one?
+        //! @todo which color to choose: index or RGB one?
         int col = getColor(e);
         RgbaColor c = RgbaColor::From(DRW::dxfColors[col][0],
                                       DRW::dxfColors[col][1],
@@ -352,7 +352,7 @@ public:
         if(width < 0.0) width = 1.0;
 
         // Line stipple.
-        // TODO: Probably, we can load default autocad patterns and match it with ours.
+        //! @todo Probably, we can load default autocad patterns and match it with ours.
         std::string lineType = getLineType(e);
         StipplePattern stipple = StipplePattern::CONTINUOUS;
         for(uint32_t i = 0; i <= (uint32_t)StipplePattern::LAST; i++) {

src/srf/raycast.cpp

@@ -463,7 +463,7 @@ bool SShell::ClassifyEdge(Class *indir, Class *outdir,
     }
 
     if(edge_inters == 2) {
-        // TODO, make this use the appropriate curved normals
+        //! @todo make this use the appropriate curved normals
         double dotp[2];
         for(int i = 0; i < 2; i++) {
             dotp[i] = edge_n_out.DirectionCosineWith(inter_surf_n[i]);

src/ttf.cpp

@@ -81,8 +81,8 @@ void TtfFontList::LoadAll() {
         [](const TtfFont &a, const TtfFont &b) { return a.name == b.name; });
     l.RemoveLast(&l[l.n] - it);
 
-    // TODO: identify fonts by their name and not filename, which may change
-    // between OSes.
+    //! @todo identify fonts by their name and not filename, which may change
+    //! between OSes.
 
     loaded = true;
 }