]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/DEVEL/mathml_editor/src/APushLexer.hh
* this is a large commit
[helm.git] / helm / DEVEL / mathml_editor / src / APushLexer.hh
index 4fca8cf7651ba467d70766fa913b8d8147b4aa82..342d18fe919dd4241408f68fc79f00bbbfc8059e 100644 (file)
@@ -9,6 +9,7 @@ public:
   virtual ~APushLexer() { };
 
   virtual void push(char) = 0;
+  virtual void drop(bool = false) = 0;
   virtual void reset(void) = 0;
   virtual bool error(void) const = 0;