RE: EBNF

[Michael B. Smith]

Did you look at the later versions of the manual? I presume this is what you want:

 

 

-----Original Message-----
From: Adriaan van Os <adriaan@adriaan.biz>
Sent: Monday, November 27, 2023 9:07 AM
To: Michael B. Smith <michael@smithcons.com>
Cc: help-marst@gnu.org
Subject: Re: EBNF

 

Michael B. Smith wrote:

> You can get what you want, with some work (since the language diagrams are spread out through the book), from the Burroughs Extended Algol manuals. For example:

>

> http://www.bitsavers.org/pdf/burroughs/LargeSystems/B5000_5500_5700/1028024_B5500_ExtendedAlgol_196707.pdf

>

> And you'll have to strip out the "extended" pieces of it.

 

Thanks for the link, but a rule like this (on page 1-4)

 

               <space> ::= <single space> I <space> <single space>

 

is typically BNF, working around the lack of a repetition construct in BNF, through a recursive

definition.

 

Regards,

 

Adriaan van Os