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IABSD.fr/xenocara/lib/libXt/specs/appA.xml

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  • Author : matthieu
    Date : 2012-03-10 16:45:48
    Hash : a908922a
    Message : Update to libXt 1.1.2

  • lib/libXt/specs/appA.xml
  • <appendix id='Resource_File_Format'>
    <title>Resource File Format</title>
    <para>
    A resource file contains text representing the default resource values for an
    application or set of applications.
    </para>
    
    <para>
    The format of resource files is defined by
    <emphasis remap='I'>Xlib — C Language X Interface.</emphasis> and is reproduced here
    for convenience only.
    </para>
    
    <para>The format of a resource specification is</para>
    <informaltable frame='none'>
      <?dbfo keep-together="always" ?>
      <tgroup cols='2' align='left' colsep='0' rowsep='0'>
      <colspec colwidth='0.3*' colname='c1'/>
      <colspec colwidth='1.0*' colname='c2'/>
      <tbody>
        <row>
          <entry>ResourceLine</entry>
          <entry>= Comment | IncludeFile | ResourceSpec | &lt;empty line&gt;</entry>
        </row>
        <row>
          <entry>Comment</entry>
          <entry>="!" {&lt;any character except null or newline&gt;}</entry>
        </row>
        <row>
          <entry>IncludeFile</entry>
          <entry>= "#" WhiteSpace "include" WhiteSpace FileName WhiteSpace</entry>
        </row>
        <row>
          <entry>FileName</entry>
          <entry>= &lt;valid filename for operating system&gt;</entry>
        </row>
        <row>
          <entry>ResourceSpec</entry>
          <entry>= WhiteSpace ResourceName WhiteSpace ":" WhiteSpace Value</entry>
        </row>
        <row>
          <entry>ResourceName</entry>
          <entry>= [Binding] {Component Binding} ComponentName</entry>
        </row>
        <row>
          <entry>Binding</entry>
          <entry>="." | "*"</entry>
        </row>
        <row>
          <entry>WhiteSpace</entry>
          <entry>= {&lt;space> | &lt;horizontal tab&gt;}</entry>
        </row>
        <row>
          <entry>Component</entry>
          <entry>= "?" | ComponentName</entry>
        </row>
        <row>
          <entry>ComponentName</entry>
          <entry>= NameChar {NameChar}</entry>
        </row>
        <row>
          <entry>NameChar</entry>
          <entry>= "a"-"z" | "A"-"Z" | "0"-"9" | "_" | "-"</entry>
        </row>
        <row>
          <entry>Value</entry>
          <entry>={&lt;any character except null or unescaped newline&gt;}</entry>
        </row>
      </tbody>
      </tgroup>
    </informaltable>
    
    <para>
    Elements separated by vertical bar (|) are alternatives.
    Curly braces ({...}) indicate zero or more repetitions
    of the enclosed elements.
    Square brackets ([...]) indicate that the enclosed element is optional.
    Quotes ("...") are used around literal characters.
    </para>
    
    <para>
    If the last character on a line is a backslash (\),
    that line is assumed to continue on the next line.
    </para>
    
    <para>
    To allow a Value to begin with whitespace,
    the two-character sequence "\<emphasis remap='I'>space</emphasis>" (backslash followed by space)
    is recognized and replaced by a space character,
    and the two-character sequence "\<emphasis remap='I'>tab</emphasis>"
    (backslash followed by horizontal tab)
    is recognized and replaced by a horizontal tab character.
    </para>
    <para>
    To allow a Value to contain embedded newline characters,
    the two-character sequence "\n" is recognized and replaced by a
    newline character.
    To allow a Value to be broken across multiple lines in a text file,
    the two-character sequence "\<emphasis remap='I'>newline</emphasis>"
    (backslash followed by newline) is
    recognized and removed from the value.
    </para>
    <para>
    To allow a Value to contain arbitrary character codes,
    the four-character sequence "\<emphasis remap='I'>nnn</emphasis>",
    where each <emphasis remap='I'>n</emphasis> is a digit character in the range of "0"-"7",
    is recognized and replaced with a single byte that contains
    the octal value specified by the sequence.
    Finally, the two-character sequence "\\" is recognized
    and replaced with a single backslash.
    </para>
    </appendix>