Without batching:
[subbu@earth api] echo '[[Archivo:Rainstick.ogg|center|323x323px]]' | node parse --useBatchAPI false --wt2wt --prefix eswiki [[Archivo:Rainstick.ogg|center|323x323px]]
With batching:
[subbu@earth api] echo '[[Archivo:Rainstick.ogg|center|323x323px]]' | node parse --useBatchAPI true --wt2wt --prefix eswiki [[Archivo:Rainstick.ogg|center]]
The parse output is obviously different in the two cases. Needs investigation and fixing.
Found in RT-testing. There a few other similar roundtripping diffs http://parsoid-tests.wikimedia.org/regressions/between/4ded41e0ff3d2c12f82b4a95adf8a6d1807cf427/15cbff66ee349997a89aeb266a63a0665a915f35