-#define ADD_INTERFACE(cl,a,b,c) \
+#define ADD_INTERFACE(cl, a, b, c) \
bool cl::has_interface(Grob*me)\
{\
return me->internal_has_interface (ly_symbol2scm (a));\
}\
void cl ## _init_ifaces() {\
- add_interface(a,b,c);\
+ add_interface(a, b, c);\
}\
ADD_SCM_INIT_FUNC(cl ## ifaces, cl ## _init_ifaces);\