jsawk throwing "sed: RE error: illegal byte sequence" response

[jerry57]

using the version of jsawk I downloaded today (2015-11-30) I am getting the following response. Using the version I downloaded a month ago (2015-10-29) the command is completing successfully

sed: RE error: illegal byte sequence
[{"id":1,"uuid":"2c504053-ad37-4e6a-a131-f9a4008d1505","url":"https://atmobeta.iplantc.org/api/v2/tags/2c504053-ad37-4e6a-a131-f9a4008d1505","name":"SpliceGrapher","description":""},{"id":2,"uuid":"a098d0f6-1563-41b7-b5f8-2f9a7cf640da","url":"https://atmobeta.iplantc.org/api/v2/tags/a098d0f6-1563-41b7-b5f8-2f9a7cf640da","name":"xGDBvm","description":""},{"id":3,"uuid":"2ff7d144-babc-472a-bf40-905366de6a41","url":"https://atmobeta.iplantc.org/api/v2/tags/2ff7d144-babc-472a-bf40-905366de6a41","name":"R","description":""},{"id":5,"uuid":"ac1af8de-16de-43ee-98a7-36b6154241e5","url":"https://atmobeta.iplantc.org/api/v2/tags/ac1af8de-16de-43ee-98a7-36b6154241e5","name":"QIIME","description":""},{"id":6,"uuid":"a587401b-1cfd-4a2d-b9e6-337e6998c50e","url":"https://atmobeta.iplantc.org/api/v2/tags/a587401b-1cfd-4a2d-b9e6-337e6998c50e","name":"LBNL","description":""},

doing a diff of the jsawk files returns:
diff ~/bin/jsawk_20151029 ~/bin/jsawk_20151130
2,3d1
< export LC_CTYPE=C
< export LANG=C