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Xml2rfc generates RFCs and IETF drafts from document source in XML according to the dtd in RFC2629.

Project description

Introduction

The IETF uses a specific format for the standards and other documents it publishes as RFCs, and for the draft documents which are produced when developing documents for publications. There exists a number of different tools to facilitate the formatting of drafts and RFCs according to the existing rules, and this tool, xml2rfc, is one of them. It takes as input an xml file which contains the text and meta-information about author names etc., and transforms it into suitably formatted output. The input xml file should follow the DTD given in RFC2629 (or it’s inofficial successor).

The current incarnation of xml2rfc provides output in the following formats: Paginated and unpaginated ascii text, html, nroff, and expanded xml. Only the paginated text format is currently (January 2013) accepable as draft submissions to the IETF.

Usage

xml2rfc accepts a single XML document as input and outputs to one or more conversion formats.

Basic Usage: xml2rfc SOURCE [options] FORMATS...

Run xml2rfc --help for a full listing of command-line options.

Changelog

Version 2.15.2 (02 Dec 2018)

  • Added a v3 version of the expansion renderer, to handle xi:include processing and prettify the output for v3 xml files.
  • Fixed an issue with blank lines around the text rendering of artwork.
  • Introduced new pretty-print code which provide better indentation consistency between beginning and end tags.
  • Added a html() method to the html writer, for library model use, and did some minor refactoring.
  • Added a missing file.

Version 2.15.1 (01 Dec 2018)

  • Added downcoding of punctuation followed by wrapping of other non-ascii text in <u> for the v2v3 converter.
  • Added BaseV3Writer methods: downcode() and downcode_punctuation(), get_text_tags() and get_inline_tags() (works this out from the schema), and added a list of deprecated elements.
  • Fixed a typo in an error message. Added asciification of smart quotes and other punctuation for the v3 renderers to match that done for v2. Some class refactoring.
  • Changed the workaround for non-ascii metadata in setup.py to only be active under py2. Fixes a problem with setup.py under python 3.x
  • Reverted [2786], which permitted non-ascii characters inside artwork for the v2 renderers, but broke when trying to write to file without utf-8 encoding. Fixes issue #387.

Version 2.15.0 (30 Nov 2018)

  • Added support for a new element <u>, to be used to insert unicode in protocol descriptions.

    In xml2rfc vocabulary version 3, the elements <author>, <organisation>, <street>, <city>, <region>, <code>, <country>, <postalLine>, <email>, and <seriesInfo> may contain non-ascii characters for the purpose of rendering author names, addresses, and reference titles correctly. They also have an additional “ascii” attribute for the purpose of proper rendering in ascii-only media.

    In order to insert Unicode characters in any other context, xml2rfc v3 formatters now require that the Unicode string be enclosed within an <u> element. The element will be expanded inline based on the value of a “format” attribute. This provides a generalized means of generating the 6 methods of Unicode renderings listed in RFC7997, Section 3.4 (http://rfc-editor.org/rfc/rfc7997.pdf), and also several others found in for instance the RFC Format Tools example rendering of RFC 7700, at <https://rfc-format.github.io/draft-iab-rfc-css-bis/sample2-v2.html>.

    The “format” attribute accepts either a simplified format specification, or a full format string with placeholders for the various possible unicode expansions.

    The simplified format consists of dash-separated keywords, where each keyword represents a possible expansion of the unicode character or string; use for example <u "lit-num-name">foo</u> to expand the text to its literal value, code point values, and code point names.

    A combination of up to 3 of the following keywords may be used, separated by dashes: “num”, “lit”, “name”, “ascii”, “char”. The keywords are expanded as follows and combined, with the second and third enclosed in parentheses (if present):

    “num”

    The numeric value(s) of the element text, in U+1234 notation

    “name”

    The unicode name(s) of the element text

    “lit”

    The literal element text, enclosed in quotes

    “char”

    The literal element text, without quotes

    “ascii”

    The provided ASCII value

    In order to ensure that no specification mistakes can result for rendering methods that cannot render all unicode code points, “num” must always be part of the specified format.

    The default value of the “format” attribute is “lit-name-num”.

    For instance:

    format=”lit-name-num”:

    Temperature changes in the Temperature Control Protocol are indicated by the character “Δ” (GREEK CAPITAL LETTER DELTA, U+0394).

    If the <u> element encloses a Unicode string, rather than a single code point, the rendering reflects this. The element:

    <u format="num-lit">ᏚᎢᎵᎬᎢᎬᏒ</u>
    

    will be expanded to ‘U+13DA U+13A2 U+13B5 U+13AC U+13A2 U+13AC U+13D2 (“ᏚᎢᎵᎬᎢᎬᏒ”)’.

    In order to provide for cases where the simplified format above is insufficient, without relinquishing the requirement that the number of a code point always must be rendered, the “format” attribute can also accept a full format string. This format uses placeholders which consist of any of the key words above enclosed in in curly braces; outside of this, any ascii text is permissible. For example:

    The <u format="{lit} character ({num})">Δ</u>.
    

    will be rendered as:

    The "Δ" character (U+0394).
    
  • Added support for v3xml2rfc PIs that silence notices and warnings. For instance, adding:

    <?v3xml2rfc silence="The document date .* is more than 3 days" ?>
    

    in front of a <date> element with an old date will suppress the warning message about an outdated date. If the value of the silence attribute matches the start of a notice or warning message, as a string or as a regex, the message is suppressed.

  • Some warnings have been downgraded to notices, and can be suppressed with a –quiet switch.

  • Added header and footer information for the tentative support for the W3C Paged Media Module described in RFC 7992, Section 6.4.

  • Added support for older versions of pycountry.

  • Added more information to the –version display when used with –verbose.

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