added 'endUser' NPNC; changed 'of' combinator within 'charOfIR'
added 'endUser' NPNC; changed 'of' combinator within 'charOfIR'

JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software,JacquesCarette/literate-scientific-software