NAT5068: on-form: LEFT MARGIN POSITION GT RIGHT MARGIN POSITION.

NAT5069: on-form: RIGHT MARGIN POSITION LT LEFT MARGIN POSITION.

NAT5070: on-form: NO HEAD LINES DEFINED.

NAT5071: on-form: TOO MANY HEAD LINE SPECIFICATIONS.

NAT5072: on-form: INVALID USE OF '.ME' STATEMENT.

NAT5073: on-form: INVALID USE OF '.MA' STATEMENT.

NAT5074: on-form: MACRO DEFINITION NOT PROPERLY CLOSED.

NAT5075: on-form: TEXT MACRO DEFINED MORE THAN ONCE.

NAT5076: on-form: INVALID TEXT MACRO DEFINITION.

NAT5084: on-form: ILLEGAL NESTING OF '.XF' STATEMENTS.

NAT5090: on-form: TOO MANY FOOT NOTE SPECIFICATIONS.

NAT5092: MAXIMUM LENGTH OF TEXT VARIABLE NAME EXCEEDED - TRUNCATED.

NAT5093: TEXT VARIABLE VALUE EXCEEDED MAXIMUM LENGTH - TRUNCATED.

NAT5095: '.XF' TEXT ELEMENT MUST BE DIFFERENT FROM '.TF' ELEMENT.

NAT5096: on-form: CONVERSION TO UPPER CASE FOR MORE THAN ONE LINE

NAT5097: on-form: Too many lines in margin text

NAT5098: on-form: '.TH' WITHOUT PRECEDING '.IF'.

NAT5100: on-form: '.EL' WITHOUT PRECEDING '.IF'.