diff --git a/notes.txt b/notes.txt
index a89cf6c..56ad883 100644
--- a/notes.txt
+++ b/notes.txt
@@ -13,4 +13,8 @@
  - operands of distance operators to be expressed via shrink/classes?
  - #BEG() and #END() are solved via shrink, with the shrink argument not being a class but a position (first/last) indicating the first or last word in the matched sequence  
  - #BED() with two conditions (like 'sa,-pa') can't be mapped to position group as implemented -> make two position groups and embed in 'and'-group
+ 
+ 
+ Poliqarp
+ - empty tokens as distance operators
  
\ No newline at end of file