- <list><item>
- <symbol> a non-empty sequence of the 66 characters + - . 0..9 A..Z _ a..z <newline/>
- this sequence can represents the identifiers and the numerical constants of most programming languages
- </item><item>
- <string> a sequence of characters wrapped with the delimiter " <newline/>
- every valid UTF-8 character whose code point is greater than U+001F is accepted eccept " \ <newline/>
- the next commonly accepted escape sequences are recognized: \0 \a \b \t \n \v \f \r \e \" \\ <newline/>
- morover, the escape sequences \x <two hexadecimal digits> and \u <four hexadecimal digits>
- allow to specify a character by its code point <newline/>
- finally the escape sequences \( for U+0002 and \) for U+0003 are available
- </item><item>
- <qualifier> the character :
- </item><item>
- <left> each of the characters ( < [ { <newline/>
- this token starts a compound symbolic expression
- </item><item>
- <right> each of the characters ) > ] } <newline/>
- this token ends a compound symbolic expression
- </item><item>
- <ignored> each of the characters U+0009..U+000D U+0020 , ; = <newline/>
- these characters are ignored and separate the other tokens
- </item><item>
- <reserved> any character not starting any other token <newline/>
- these characters are not allowed,
- and those in the range U+0021..U+007E are
- ! # $ % & ' * / ? @ \ ^ ` | ~
- </item></list>
+ <topitem name="contents">
+ <notice class="alpha" notice="Contents:"/>
+ Landau's "Grundlagen der Analysis"
+ (from Jutting's specification in <link to="http://www.win.tue.nl/automath/">Automath</link>).
+ </topitem>
+ <topitem name="access">
+ <notice class="alpha" notice="Access:"/>
+ <rlink to="static/lddl/">static pages</rlink> (updated <notice class="gamma" notice="2015-01"/>),
+ <rlink to="download/lddl.tar.bz2">data set</rlink> (updated <notice class="gamma" notice="2014-12"/>),
+ <rlink to="xml/">HELM server URL</rlink> (updated <notice class="gamma" notice="2014-12"/>).
+ </topitem>
+ <topitem name="examples">
+ <notice class="alpha" notice="Examples:"/>
+ <rlink to="static/lddl/Environment/grundlagen_2/l/e/st/eq/landau/n/rt/rp/r/c/8283/t234.ld.html">
+ Grundlagen's definition "t234"</rlink>
+ in λδ version 4.
+ </topitem>