Some output now going through PrintBuffer

luprex/core/cpp/printbuffer.hpp

@@ -96,22 +96,30 @@ private:
     // a newline (or any other weird control characters).
     void add_line(const char *line, int len);
     
-    // Return the line number beyond the end of the buffer.
-    int last_line() const { return first_line_ + int(lines_.size()); }
 
-    // Get the specified line number.
-    const std::string &nth(int n) const { return lines_[n - first_line_]; }
 
 
 public:
     PrintBuffer(util::WorldType wt);
 
+    // Get the current first line.
+    int first_line() const { return first_line_; }
+
+    // Return the line number beyond the end of the buffer.
+    int last_line() const { return first_line_ + int(lines_.size()); }
+
+    // Get the current first unchecked line.
+    int first_unchecked() const { return first_unchecked_; }
+
+    // Get the specified line number.
+    const std::string &nth(int n) const { return lines_[n - first_line_]; }
+    
     // Add a string.  If the string doesn't end in a newline, a newline
     // is added.  The string is broken into lines, and the lines are added
     // to the PrintBuffer.
     void add_string(const char *text, int len);
     void add_string(const std::string &s);
-    
+
     // Discard lines up to but not including line N.
     void discard_upto(int n);