If the default state has an Entry action, as in the example below, the states in the generated c++ code will not perform it on state entry (no code for calling Hello is generated). Generating a graph with -glevel 1 will show the action on every state though
%class X
%start MissingEntry::X
%header x.h
%map MissingEntry
%%
State { }
Default
Entry { Hello(); }
{ X nil {} }
%%.
2013-01-24 16:47:52 PST in SMC - The State M...