Working in QGIS 2.14.0-Wien.
I want to reclassify a raster with the r.reclass GRASS 7 tool, but want to keep the "no data" tiles as "no data".
I understand that I need to create a text "rules" file to inform r.reclass of what classes to create with lines such as "XXXX thru XXX = 1", but am not sure of the syntax to preserve the "no data" tiles.
How do I do that?