2 stencil-expression.cc -- keep track of which expressions are valid
5 source file of the GNU LilyPond music typesetter
7 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
13 #include "protected-scm.hh"
15 static Protected_scm heads = SCM_EOL;
17 void register_stencil_head (SCM symbol)
19 scm_set_object_property_x (symbol, ly_symbol2scm ("stencil-head?"), SCM_BOOL_T);
20 heads = scm_cons (symbol, heads);
24 is_stencil_head (SCM symbol)
26 return scm_object_property (symbol, ly_symbol2scm ("stencil-head?"))