- {
- SCM color = scm_cadr (expr);
- SCM r = scm_car (color);
- SCM g = scm_cadr (color);
- SCM b = scm_caddr (color);
-
- (*func) (func_arg, scm_list_4 (ly_symbol2scm ("setcolor"), r, g, b));
- interpret_stencil_expression (scm_caddr (expr), func, func_arg, o);
- (*func) (func_arg, scm_list_1 (ly_symbol2scm ("resetcolor")));
-
- return;
- }
+ {
+ SCM color = scm_cadr (expr);
+ SCM r = scm_car (color);
+ SCM g = scm_cadr (color);
+ SCM b = scm_caddr (color);
+
+ (*func) (func_arg, scm_list_4 (ly_symbol2scm ("setcolor"), r, g, b));
+ interpret_stencil_expression (scm_caddr (expr), func, func_arg, o);
+ (*func) (func_arg, scm_list_1 (ly_symbol2scm ("resetcolor")));
+
+ return;
+ }
+ else if (head == ly_symbol2scm ("id"))
+ {
+ SCM id = scm_cadr (expr);
+
+ (*func) (func_arg, scm_list_2 (ly_symbol2scm ("start-enclosing-id-node"), id));
+ interpret_stencil_expression (scm_caddr (expr), func, func_arg, o);
+ (*func) (func_arg, scm_list_1 (ly_symbol2scm ("end-enclosing-id-node")));
+
+ return;
+ }