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literal — Inline text that is some literal value
literal ::= (#PCDATA|link|olink|ulink|action|application|classname|methodname|interfacename|exceptionname|ooclass|oointerface|ooexception|package|command|computeroutput|database|envar|errorcode|errorname|errortype|errortext|filename|function|guibutton|guiicon|guilabel|guimenu|guimenuitem|guisubmenu|hardware|interface|keycap|keycode|keycombo|keysym|literal|code|constant|markup|medialabel|menuchoice|mousebutton|option|optional|parameter|prompt|property|replaceable|returnvalue|sgmltag|structfield|structname|symbol|systemitem|uri|token|type|userinput|varname|nonterminal|anchor|remark|subscript|superscript|inlinegraphic|inlinemediaobject|indexterm|beginpage)*
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                         Type  | 
                     
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                  |||
| moreinfo | 
                        
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                     "none" | 
               A Literal is some specific piece of data, taken literally, from
               a computer system.  It is similar in some ways to UserInput and
               ComputerOutput, but is somewhat more of a general
               classification. The sorts of things that constitute literals varies by domain.
               
            
                  Formatted inline. A literal is frequently distinguished
                  typographically and Literal is often used wherever
                  that typographic presentation is desired.
                  
               
                  The MoreInfo attribute
                  can help generate a link or query to retrieve additional information.
                  
               
                  
                  The content model of Literal will be constrained to
                  (#PCDATA | Replaceable | InlineGraphic) in
                  DocBook V4.0.
                  
               
These elements contain literal:
                  action, application, attribution, bibliomisc, bridgehead, citation, citetitle, classsynopsisinfo, code, command, computeroutput, database, emphasis, entry, filename, firstterm, foreignphrase, funcparams, funcsynopsisinfo, function, glosssee, glossseealso, glossterm, hardware, interfacename, keycap, lineannotation, link, literal, literallayout, lotentry, member, msgaud, olink, option, optional, para, parameter, phrase, primary, primaryie, productname, programlisting, property, quote, refdescriptor, refentrytitle, refname, refpurpose, remark, screen, screeninfo, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, simpara, subtitle, synopsis, systemitem, td, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocback, tocentry, tocfront, trademark, ulink, userinput.
               
The following elements occur in literal:
                  action, anchor, application, beginpage, classname, code, command, computeroutput, constant, database, email, envar, errorcode, errorname, errortext, errortype, exceptionname, filename, function, guibutton, guiicon, guilabel, guimenu, guimenuitem, guisubmenu, hardware, indexterm, inlinegraphic, inlinemediaobject, interface, interfacename, keycap, keycode, keycombo, keysym, link, literal, markup, medialabel, menuchoice, methodname, mousebutton, nonterminal, olink, ooclass, ooexception, oointerface, option, optional, package, parameter, prompt, property, remark, replaceable, returnvalue, sgmltag, structfield, structname, subscript, superscript, symbol, systemitem, token, type, ulink, uri, userinput, varname.
               
command, computeroutput, constant, markup, option, optional, parameter, prompt, replaceable, sgmltag, userinput, varname.
               
            
<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<para>There are several undocumented settings for <varname>debug</varname>,
among them <literal>3.27</literal> to enable a complete trace and
<literal>3.8</literal> to debug the spell checker. For a complete
list of the possible settings,
see <filename class="headerfile">edit/debug.h</filename>.</para>There are several undocumented settings for debug,
               among them 3.27 to enable a complete trace and
               3.8 to debug the spell checker. For a complete
               list of the possible settings,
               see edit/debug.h.
            
For additional examples, see also
               programlistingco.