Simplified single-page commands

[paperjam.git] / jam.h

diff --git a/jam.h b/jam.h
index 002ad04b831d1f11b17884448a0c0ea721e4fb71..7fd316a8f4a049f7d3e944861b43b0e8b38aeb84 100644 (file)
--- a/jam.h
+++ b/jam.h
@@ -68,7 +68,7 @@ struct empty_page : public page {
 };
 
 struct cmd_exec {
-  virtual vector<page *> process(vector <page *> &pages UNUSED) { abort(); }
+  virtual vector<page *> process(vector <page *> &pages UNUSED) = 0;
 };
 
 struct cmd_def {