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Date: Mon, 15 Mar 93 10:53:14 JST
From: "Akio    Kido" <kido@vnet.IBM.COM>
To: sc22wg15@dkuug.dk, sc22wg20@dkuug.dk, XoJIG@xopen.co.uk,
        sig-international@osf.org, uojlg-bse@uiap.ui.org,
        efischer@donald.aix.kingston.ibm.com
Subject: MSE 3.mm
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.SK
.H 1 Language
Subclauses 6.1.5 and 6.1.6 of \*(AC are adjusted to include
the following six additional tokens.
In all aspects of the language,
these six tokens
.Cb
	<:  :>  <%  %>  %:  %:%:
.Ce
behave,
respectively,
the same as these existing six tokens
.Cb
	[   ]   {   }   #   ##
.Ce
except for their spelling.\*F
.FS
Thus
.Cf [
and
.Cf <:
behave differently when ``stringized''
(see \*(AC subclause 6.8.3.2),
but can otherwise be freely interchanged.
.FE
.H 2 Operators
.eX 6.1.5
.HU Syntax
.Cb
	\fIoperator:\fP \&\fRalso one of\fP
		<:  :>  %:  %:%:
.Ce
.HU Constraints
.P
The operators
.Cf [
.Cf ] ,
.Cf (
.Cf ) ,
and
.Cf ?
.Cf :
(independent of spelling)
shall occur in pairs,
possibly separated by expressions.
The operators
.Cf #
and
.Cf ##
(also spelled
.Cf %:
and
.Cf %:%: )
shall occur in macro-defining preprocessing directives only.
.H 2 Punctuators
.eX 6.1.6
.HU Syntax
.Cb
	\fIpunctuator:\fP \&\fRalso one of\fP
		<:  :>  <%  %>  %:
.Ce
.HU Constraints
.P
The punctuators
.Cf [
.Cf ] ,
.Cf (
.Cf ) ,
and
.Cf {
.Cf }
(independent of spelling)
shall occur
(after translation phase 4)
in pairs,
possibly separated by expressions,
declarations,
or statements.
The punctuator
.Cf #
(also spelled
.Cf %: )
shall occur in preprocessing directives only.