LaTeX is a typesetting system widely used now days in science (Mathematics, Physics, Computer Science) to write and publish scientific papers. It can produce pdf files and allows to write complicated mathematical formulas and diagrams.
Vim is an excelent editor designed by programmers. It has internal language which allows for writing scripts (also using Python, Perl). This allows to write LaTeX specific tools which makes it easier to edit and write papers. Automatic LaTeX Plugin for Vim is a
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I am doing a PhD in mathematics and also I am developing a LaTeX plugin for Vim (editor).