Please find rev. 0.145 of the draft reformatted IBIS 5.1 document (the Word document has been posted to the website) Changes include: - Spelling and grammar checking completed - "algorithmic model" and "executable model file" language made consistent throughout the document - General Rules and Notes moved and reorganized - "AMI parameter definition file" terminology made consistent - Format of keyword hierarchies corrected to match IBIS 5.0 - Minor grammatical and word choice improvements The placement of general rules and Walter's "node" rules should be discussed in the next Editorial Task Group meeting. Comments are welcome. - MM