Debugger entered--Lisp error: (wrong-type-argument stringp nil) string-match("//+" nil) gud-find-file(nil) gud-display-line(nil 29) gud-display-frame() gdb-frame-handler() gdb-done-or-error("frame={level=\"0\",addr=\"0xb79ef6c1\",func=\"__libc_siglongjmp\",file=\"longjmp.c\",line=\"29\"}" "20" done) gud-gdbmi-marker-filter("20^done,frame={level=\"0\",addr=\"0xb79ef6c1\",func=\"__libc_siglongjmp\",file=\"longjmp.c\",line=\"29\"}\n(gdb) \n21^done,BreakpointTable={nr_rows=\"1\",nr_cols=\"6\",hdr=[{width=\"7\",alignment=\"-1\",col_name=\"number\",colhdr=\"Num\"},{width=\"14\",alignment=\"-1\",col_name=\"type\",colhdr=\"Type\"},{width=\"4\",alignment=\"-1\",col_name=\"disp\",colhdr=\"Disp\"},{width=\"3\",alignment=\"-1\",col_name=\"enabled\",colhdr=\"Enb\"},{width=\"10\",alignment=\"-1\",col_name=\"addr\",colhdr=\"Address\"},{width=\"40\",alignment=\"2\",col_name=\"what\",colhdr=\"What\"}],body=[bkpt={number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"0x0812d54e\",func=\"ly_c_init_guile()\",file=\"guile-init.cc\",fullname=\"/usr/local/src/lilypond/lily/guile-init.cc\",line=\"63\",times=\"1\",original-location=\"ly_c_init_guile\"}]}\n(gdb) \n") apply(gud-gdbmi-marker-filter "20^done,frame={level=\"0\",addr=\"0xb79ef6c1\",func=\"__libc_siglongjmp\",file=\"longjmp.c\",line=\"29\"}\n(gdb) \n21^done,BreakpointTable={nr_rows=\"1\",nr_cols=\"6\",hdr=[{width=\"7\",alignment=\"-1\",col_name=\"number\",colhdr=\"Num\"},{width=\"14\",alignment=\"-1\",col_name=\"type\",colhdr=\"Type\"},{width=\"4\",alignment=\"-1\",col_name=\"disp\",colhdr=\"Disp\"},{width=\"3\",alignment=\"-1\",col_name=\"enabled\",colhdr=\"Enb\"},{width=\"10\",alignment=\"-1\",col_name=\"addr\",colhdr=\"Address\"},{width=\"40\",alignment=\"2\",col_name=\"what\",colhdr=\"What\"}],body=[bkpt={number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"0x0812d54e\",func=\"ly_c_init_guile()\",file=\"guile-init.cc\",fullname=\"/usr/local/src/lilypond/lily/guile-init.cc\",line=\"63\",times=\"1\",original-location=\"ly_c_init_guile\"}]}\n(gdb) \n") gud-marker-filter("20^done,frame={level=\"0\",addr=\"0xb79ef6c1\",func=\"__libc_siglongjmp\",file=\"longjmp.c\",line=\"29\"}\n(gdb) \n21^done,BreakpointTable={nr_rows=\"1\",nr_cols=\"6\",hdr=[{width=\"7\",alignment=\"-1\",col_name=\"number\",colhdr=\"Num\"},{width=\"14\",alignment=\"-1\",col_name=\"type\",colhdr=\"Type\"},{width=\"4\",alignment=\"-1\",col_name=\"disp\",colhdr=\"Disp\"},{width=\"3\",alignment=\"-1\",col_name=\"enabled\",colhdr=\"Enb\"},{width=\"10\",alignment=\"-1\",col_name=\"addr\",colhdr=\"Address\"},{width=\"40\",alignment=\"2\",col_name=\"what\",colhdr=\"What\"}],body=[bkpt={number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"0x0812d54e\",func=\"ly_c_init_guile()\",file=\"guile-init.cc\",fullname=\"/usr/local/src/lilypond/lily/guile-init.cc\",line=\"63\",times=\"1\",original-location=\"ly_c_init_guile\"}]}\n(gdb) \n") gud-filter(# "20^done,frame={level=\"0\",addr=\"0xb79ef6c1\",func=\"__libc_siglongjmp\",file=\"longjmp.c\",line=\"29\"}\n(gdb) \n21^done,BreakpointTable={nr_rows=\"1\",nr_cols=\"6\",hdr=[{width=\"7\",alignment=\"-1\",col_name=\"number\",colhdr=\"Num\"},{width=\"14\",alignment=\"-1\",col_name=\"type\",colhdr=\"Type\"},{width=\"4\",alignment=\"-1\",col_name=\"disp\",colhdr=\"Disp\"},{width=\"3\",alignment=\"-1\",col_name=\"enabled\",colhdr=\"Enb\"},{width=\"10\",alignment=\"-1\",col_name=\"addr\",colhdr=\"Address\"},{width=\"40\",alignment=\"2\",col_name=\"what\",colhdr=\"What\"}],body=[bkpt={number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"0x0812d54e\",func=\"ly_c_init_guile()\",file=\"guile-init.cc\",fullname=\"/usr/local/src/lilypond/lily/guile-init.cc\",line=\"63\",times=\"1\",original-location=\"ly_c_init_guile\"}]}\n(gdb) \n")