To: J3 J3/13-317 From: Dan Nagle Subject: delete obsolete DO forms UK-10.1b Date: 2013 September 10 Obsolete forms of the DO loop are hard to understand, especially for modern programmers, and are error prone. They are redundant with block loops. UK Item 10 subitem 1b, accepted at Delft, advocates deleting these forms. Specification: The non block forms of the do loop are deleted. The shared termination forms of the do loop are deleted. Syntax: The non block forms are no longer valid syntax. Shared termination of do loops is no longer valid syntax. Edits: {remove obsolete terms from branch target statement definition} [4:38] delete ", ," {remove alternative definitions} [174:12] change the line to "The DO construct is written in a block form." {remove the syntax term} [174:14] delete the line {add a constraint prohibiting shared continues} [175:5+] add "C815+ (R814) No two in the same scope shall have the same