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$Header: LcSyntax.doc,v 1.1 90/12/30 13:07:59 morisaki Exp $
$Date: 90/12/30 13:07:59 $



						June 20, 1990
						Written by Li Yuhoung
						OMRON Corporation


                                Syntax 
                                  of
                         X Locale Definition File

    Each category source definition starts with a category identifier line
and ends with a category trailer line.  A category identifier consists of
the character string XLC_, immediately followed by the name of the category. 
The category trailer consists of the string END, followed by the category 
identifier string. Within each category the definition consists of keywords 
and operands. A line may be continued by placing a backslash as the last
character on the line.  Keywords and operands shall be seperated by one or 
more blanks.  Any blanks preceding a keyword or preceding the first nonblank
character on a continuation line shall be ignored.  Lines containing a #
character in the first position shall be treated as comments.  
    The following definition is a rough Backus-Naur form(BNF), just a descri-
ption. 

-start of file--
XLC_ALL
<locale_name>
END XLC_ALL

XLC_CODESET
<type>:<mblen_list>
<map_table>
<conversion_list>
END XLC_CODESET

XLC_FONTSET
<font_name_list>
END XLC_FONTSET

-end of file--

<locale_name> := lang_terr.codeset

<type> := L|l|F|f
<mblen_list> :=  <number>:<mblen_list> | <number>
<number> := integer

<map_table> := LEFTBC<one_map>RIGHTBC | LEFTBC<one_map>RIGHTBC NL <map_table>
<one_map> := <csid> | <csid> <separator> <one_map>
<csid> :=  C0|C1|CS1|CS2|CS3|CS4|CS5|CS6|CS7|CS8|CS9|ND|MINUS<number>

<conversion_list> := LEFTP<conversion_charset>RIGHTP 
                | LEFTP<conversion_charset>RIGHTP NL <conversion_list> 
<conversion_charset> := <item> | <item> <separator> <conversion_charset>
<item> := <number>=<number>:<number>

<font_name_list> := <font_name>|<font_name>NL<font_name_list>
<font_name> := <XLFD>-<woff>
<XLFD> := X Logical Font Description
<woff> := 4-byte wchar offset

<separator> := SPACE|TAB|COMMA|NEWLINE
NL := new line character
LEFTBC := left braket charcter( { ) 
RIGHTBC := right braket charcter( } )
MINUS := negative sign( - )
LEFTP := left parathesis
RIGHTP := right parathesis