The root element must have 3 attributes. For lang_from and lang_to the value is a 3-letter language code according to ISO 639.2 standand http://www.loc.gov/standards/iso639-2/ and represents the language of key-phrases and definitions respectively. The format attribute specifies the default formatting for the dictionary and might be either "visual" or "logical". The default format might be overwritten for specific articles as described below. In visual format the articles are formatted visually and are intended to be shown by dictionary programs (shells) as is without inserting or removing any spaces or EOLs. However, shells may mark with different colors the content of logical tags. In logical format the articles are not formatted visually and shells are responsible for formating them before presenting them to the user. Must contain one full_name, one description, may contain zero or one abbreviations and one or more ar. Full name of the dictionary, like it would appear on the book cover. It may contain non-English symbols. Description of the dictionary in free words. It is recommended to include the following: Copyright, License, From where this file can be downloaded, From where can be downloaded the unformatted file, i.e. the original dictionary file before the conversion into XDXF format, From where the original unformatted dictionary file was obtained, Link to the script which was used to convert the original unformatted dictionary file into XDXF format. section is a list of tags. It describes abbreviations used in the dictionary. The tag defines an abbreviation and contains two types of tags: (k stands for key-phrase) The abbreviated text. (v stands for value) The full text. Note that there may be more than one per to specify synonyms like "Ave." and "Av.", but tag can be only one. The tag groups together all the stuff related to one headword. The following tags are allowed only in between tags. Key phrase is a phrase by which an article containing it can be found. Article may contain more than one key phrase. Tag may not be nested in another . Marks optional part of key-phrase, if any. Tag might be used only in between tags. Marks transcription. This tag marks Direct Translation of the key-phrase. Reference to another key-phrase, which is located in the same file. Reference to a Resource file, which is located in the same folder. Optional attributes are necessary for audio and video files, when the reference points to a certain part of a large file. The attribute "start" specifies position in the file of the first byte of the chunk of interest, and "size" specifies its length in bytes. If the "start" attribute is omitted then it is assumed that it is 0. If the "size" attribute is omitted then it is assumed that the file should be played up to the end. Reference to an Internet resource. Marks an abbreviation that is listed in the section. Marks the text of an example. (usually shown in a different color by the program) Marks the text of an editorial comment. (comments are usually shown in a different color by the program) ___________________________________________________________________________________________________ Marks the headword. Must contain one and only one only. No attributes. ___________________________________________________________________________________________________ Marks a definition or a group of definitions which fall into a certain category. May contain zero or more abr|antonym|auxiliary|co|def|dtrn|em|etym|ex|field|gender|idiom|iref|k|kref|m|proverb|rref|style|synonym|tr|usage. Possible attributes: attribute meaning [value examples] --------- ----------------------- l label of this (group of) definition [a,b,c...] [A,B,C...] [1,2,3...] pos part of speech or word class [noun, verb, auxiliary verb, adjective, adverb, pronoun, (in)definite article, pre-/postposition, conjunction, interjection, measure, quantifier] transitivity whether (or not) the verb takes an object [(in)transitive] separability for German verbs with prefix [(in)separable] or English phrasal verbs [intransitive, inseparable, obligatory, optional] reflexivity [(non)reflexive] ___________________________________________________________________________________________________ Marks a morphological derivative (for example for 'be': 'be', 'am', 'are', 'is', 'was', 'were', 'been' or 'being') or a group of morphological derivatives which fall into a certain category. May contain zero or more abr|co|def|dtrn|etym|ex|iref|k|kref|m|rref|style|tr. Possible attributes: attribute meaning [value examples] --------- ----------------------- pos part of speech or word class [noun, verb, auxiliary verb, adjective, adverb, pronoun, (in)definite article, pre-/postposition, conjunction, interjection, measure, quantifier] gender [masculine, feminine, neuter] number [singular, dual, plural] case [nominative, accusative, dative, genitive, vocative] person [1,2,3] verbal [infinitive, participle, gerund] mood [indicative, conditional, subjunctive, imperative] tense [past, present, future] aspect [(im)perfective] definiteness [(in)definite] voice [active, passive] degree [positive, comparative, superlative] ___________________________________________________________________________________________________ etymology May contain zero or more abr|co|dtrn|em|ex|iref|k|kref|quote|rref|source|tr. No attributes. ___________________________________________________________________________________________________ contains the verbal auxiliary with which to form compound tenses [être, avoir], [sein, haben] May contain zero or more abr|co|style. No attributes. ___________________________________________________________________________________________________