On 02/18/2014 09:58 PM, Eli Zaretskii wrote: > Is this still the same use case with your bug15555 function and the > 4000.txt file? If not, please describe this use case. Yes. There is a simple patch to trace bidi_shelve_cache/bidi_unshelve_cache and two screencasts, with bug15555 over 2000.txt [1] and 4000.txt [2], respectively. [1] http://37.139.80.10/tmp/2000.mkv [2] http://37.139.80.10/tmp/4000.mkv Dmitry