Plans for a Sustainable Community

  • The most important aim of our sustainable community is to recreate the human support network which was the greatest advantage of our old joint family system, but faded away with the advent of nuclear family. We want to bring it back to suit modern day living where freedom and execution of one’s free will assume paramount importance.
  • Secondly, help people to plan and setup necessary physical and occupational infrastructure to manage one’s own old age, the responsibility of which was once believed to be that of our offspring, but fast disappearing nowadays with several old parents left physically and emotionally lonely to confront their destiny.

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TeX4ht: Low-level Commands

There are four commands which are very useful to write custom configuration for TeX4ht. They are: More »

Software Freedom

September 18 is the day of software freedom, celebrated by people around the world who believe in the four basic freedom aspect of software — freedom to run, study, change and distribute copies with or without changes. It is the result of the techno-political resistance movement led by Richard Stallman (RMS) who is credited with launching it in 1983 by founding the GNU project. More »

KSSN: A Venerable Silent Mathematician

A funny incident happened when Prof KSS Nambooripad (KSSN) started his career as a faculty member in the math department of UC College, Alwaye in central Kerala. One of the students stood up and asked, why should they learn mathematics as he could not find any compelling reasons to learn it. More »

TeX4ht: Configure Part 2

Navigation Links for Sectioning Divisions

\Configure{crosslinks} provides hooks to create navigation links across sub-documents created from a long document like book where chapters are broken into separate HTML documents or a long article where sections might be cut into separate documents for easy browsing. \CutAt{...} helps to split a long document at the desired section or chapter or part units. When documents are split into smaller units, we need navigation links across various split units. TeX4ht provides an important function, \Configure{crosslink}, which is explained below how various navigational links can be created and customized. More »

TeX4ht: Configure Part 1

The \Configure command is the most powerful user command in TeX4ht system. It helps to add various kinds of hooks to insert target markup code at the desired locations in and around various types of content. For instance, take the case of \section{...} in LaTeX. A typical example will be: More »

TeX4ht: Overview of the Process

TeX4ht system has the ability to translate any TeX or LaTeX document into other markup formats such as SGML, HTML, XML, MathML, OpenOffice format, Braille, etc. More »

MathML 3 and TeX4ht

MathML 3 is about to be formalized and going to be released as the new standard for encoding mathematics in web. It differs from the previous standard 2. The main changes that have a bearing on the functionality of TeX4ht are discussed here. More »

Pdfpagediff

We often encounter nightmarish scenario while generating final versions of a long document when one or more of the following happens:

  1. New revised versions of packages used.
  2. Smaller changes to a fewer number of pages of a long document. More »

The World of Don Knuth

I was often astounded by the tastes, particularly the choice of literary works and movies, of Don Knuth who is a mathematician and computer scientist by training and profession. Most of the computer scientists I know are wary of reading anything outside their realm of knowledge. If you tell them anything about existentialism or postmodern literature, they will pay scant attention to you. More »

Write registers in TeX

The io registers in TeX are often a matter of severe limitation. When we try to typeset a document that loads a lot of packages, it becomes a non-trivial task to satisfy register requirements of various packages that compete each other. More »