README_EXPORT_TESTS.txt in tracksperanto-1.8.4

- old
+ new

@@ -10,6 +10,8 @@
 that the export works
 
 The current test set consists of the two parabolic curves that cross. The second
 parabolic curve goes left, the first one - right, and they start at opposite
 corners of the reference 1920x1080 export. At the first point the track has the residual of 0,
-at the end of the curve - the biggest residual (PFTrack marks it red exactly at the last keyframe)
+at the end of the curve - the biggest residual (PFTrack marks it red exactly at the last keyframe).
+
+In the middle of the curves a couple of keyframes is skipped to verify that proper gaps are written into the export.
\ No newline at end of file