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Visible-Meta Examples

The Visible-Meta appendices are automatically inserted at the end of the PDF on export, after any References or any other user-added appendices, with a normally formatted heading ‘Visible-Meta’. After the heading the text ‘@{{visible-meta}}’ is inserted to tell the reader software to parse the following. There are no line breaks within the sections and only line breaks–not page breaks–between the sections, and the font size is small, with 9 point being the suggested size, to save virtual and actual paper if printed.

The format is in the style of the BiTeX Export format, as illustrated below. This was chosen because of the ubiquity of the format and the human and machine readable formatting. The section starts with ‘@{{visible-meta}}’ to tell the reader software to parse the following. There are no line breaks within each section to make it use less space and only line breaks, not page breaks between the sections.


Screenshot Mockup


Sections are identified through a simple format of ‘@’ followed by the section and ending with a left ‘{‘ and the section should end with a right ‘}’ but will automatically end when another section starts. The sections are:

  • @bibtex
  • @formating{
  • @citation{
  • @Special{

The explanatory text shown below each heading is to be included in the actual Visible-Meta to aid in its readability and adaptability.



Visible Meta

This is where the reader software should start reading the meta-information of this document and this is where the Visible-Meta version number is noted:

@{{visible-meta}} version = {1.0}, generator = {Liquid | Author 4.6},


Describes who the author of this document is in order for the reader to cite this document. Order is: author, title, document name, day, month, year, location, publisher, publication, volume, issue, page range, institution, ISBN, DOI, URL, AISN, ISSN, PubMed, arXiv, followed by any other. Since all are identified, any which do not have any values are skipped:

@article{ author = {Douglas Carl Engelbart}, title = {AUGMENTING HUMAN INTELLECT – A Conceptual Framework}, document_name = {augmentinghu_dengelbart_19621021231532_6396.pdf}, month = jul, year = {1962}, institution = {SRI},



Describes how the text, including headings, is formatted:

@formating{ heading level 1 = {Helvetica, 22pt, bold}, heading level 2 = {Helvetica, 18, bold}, body = {Times, 12pt}, image captions = {Times, 14, italic, align center},



Describes formatting of the inline citation style and the References section in order for the reader to parse how citing is done in this document:

@citations{ inline = {superscript number}, section name = {References}, section format = {author last name, author first name, title, date, place, publisher},


Special: Dynamic View

Describes specific, special views the authoring software supports. As with the other formatting, it is optional to implement in a Reader:

@Special{ name = {DynamicView}, { node = {nodename, location, connections},

Source Code

Source for for reading this is available from XXX.URL




Published inVisible-Meta

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