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 Hi! 
I 
support use of the IEEE style manual across the board.  I believe that 
Bob Love provided a good explanation of how 
"will" 
should (shall?) be used based on the IEEE style manual.  His 
comment was as follows: 
 Best regards, Joanne -----Original 
Message----- 
  From: owner-stds-80220-requirements@majordomo.ieee.org [mailto:owner-stds-80220-requirements@majordomo.ieee.org]On Behalf Of Klerer Mark Sent: Wednesday, July 23, 2003 4:51 PM To: 'Joseph Cleveland'; 'stds-80220-requirements@ieee.org ' Subject: RE: stds-80220-requirements: Shall-Will-Should in 802.20 Requirem ents v5 - C802.20-03-6921 Joseph,  -----Original 
  Message----- Hi All,  Thanks to Vladimer Yanover the IEEE has a statement in 
  the style manualSection 5, para 13.1, for use of shall, will, should, 
  etc.  I recommend that we use the IEEE statement, which I have copied 
  below: "The word shall is used to indicate mandatory 
  requirements strictly to be followed in order to conform to the standard and 
  from which no deviation is permitted (shall equals is required to). The use of 
  the word must is deprecated and shall not be used when stating mandatory 
  requirements; must is used only to describe unavoidable situations. The use of 
  the word will is deprecated and shall not be used when stating mandatory 
  requirements; will is only used in statements of 
  fact. The word should is used to indicate that among several 
  possibilities one is recommended as particularly suitable, without mentioning 
  or excluding others; or that a certain course of action is preferred but not 
  necessarily required; or that (in the negative form) a certain course of 
  action is deprecated but not prohibited (should equals is recommended 
  that). The word may is used to indicate a course of action 
  permissible within the limits of the standard (may equals is 
  permitted). The word can is used for statements of possibility and 
  capability, whether material, physical, or causal (can equals is able 
  to)." Joseph Cleveland  -----Original Message-----  Hello,  -----Original Message-----  Hi!  I propose the following modification to Joseph's 
  terminology:  2a.  "Should" expresses a provision that is 
  recommended, but is not mandatory  2b.  "May" expresses a provision that is allowed, 
  but is not mandatory  Best regards,  Joanne Wilson  -----Original Message-----  Hi All:  I recommend the following wording for "shall", "will", 
  should", etc. for inclusion in 802.20 Requirements document: 
   The following terminology identifies the designation 
  of mandatory versus non-mandatory requirements:  1.      "shall" expresses a 
  provision that is binding  2.      "should" and "may" 
  expresses non-mandatory provisions  3.      "will" expresses a 
  declaration of purpose.  It may be necessary  Joseph Cleveland  This mail passed through 
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