TrueDoc is an outline font standard

Standardization

Standardization is the process of developing and implementing technical standards.The goals of standardization can be to help with independence of single suppliers , compatibility, interoperability, safety, repeatability, or quality....

 developed by Bitstream

Bitstream Inc.

Bitstream Inc. is a type foundry that produces digital typefaces . Founded in 1981 by Matthew Carter and Mike Parker among others, it claims to be the oldest such company...

 that compactly encodes font for use in web page

Web page

A web page or webpage is a document or information resource that is suitable for the World Wide Web and can be accessed through a web browser and displayed on a monitor or mobile device. This information is usually in HTML or XHTML format, and may provide navigation to other web pages via hypertext...

s through their TrueDoc system. Embedding

Compound document

In computing, a compound document is a document type typically produced using word processing software, and is a regular text document intermingled with non-text elements such as spreadsheets, pictures, digital videos, digital audio, and other multimedia features...

 a typeface in this way has the aim of eliminating graphics sometimes used in headings or other text, and replacing them by standard text, styled via CSS

CSS

-Computing:*Cascading Style Sheets, a language used to describe the style of document presentations in web development*Central Structure Store in the PHIGS 3D API*Closed source software, software that is not distributed with source code...

. The font files are made small in size by use of subsetting (only including the needed characters), and would only need to be downloaded once. It is a secure method, in that fonts can only be used for the pages they were intended for, and not on other sites, or in other applications.

TrueDoc was natively supported in Netscape Navigator 4

Netscape Navigator

Netscape Navigator was a proprietary web browser that was popular in the 1990s. It was the flagship product of the Netscape Communications Corporation and the dominant web browser in terms of usage share, although by 2002 its usage had almost disappeared...

, but was discontinued in Netscape Navigator 6

Netscape 6

Netscape 6 was the name of Netscape Communications Corporation's proprietary cross-platform internet suite from versions 6.0–6.2.3. It superseded Netscape Communicator 4.8 and was replaced by the simply-named Netscape...

 and Mozilla

Mozilla

Mozilla is a term used in a number of ways in relation to the Mozilla.org project and the Mozilla Foundation, their defunct commercial predecessor Netscape Communications Corporation, and their related application software....

 because Netscape

Netscape

Netscape Communications is a US computer services company, best known for Netscape Navigator, its web browser. When it was an independent company, its headquarters were in Mountain View, California...

 could not release Bitstream's source code. A WebFont Player plugin was available for Internet Explorer

Internet Explorer

Windows Internet Explorer is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems, starting in 1995. It was first released as part of the add-on package Plus! for Windows 95 that year...

, but the technology had to compete against Microsoft

Microsoft

Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

's Embedded Open Type fonts natively supported by Internet Explorer 4

Internet Explorer 4

Microsoft Internet Explorer 4 is a graphical web browser released in September 1997 by Microsoft, primarily for Microsoft Windows, but also with versions available for Apple Mac OS, Solaris, and HP-UX and marketed as "The Web the Way You Want It".It was one of the main participants of the first...

 and up (Windows versions only).

One of the graphic design programs which has the option of using the TrueDoc system while saving files is Corel Draw X4.