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| composition:pourquoi_n_est_ce_pas_wysiwyg4 [2018/05/28 12:08] – d.p.carlisle | composition:pourquoi_n_est_ce_pas_wysiwyg4 [2020/12/26 19:50] (Version actuelle) – Suppression de la page, déplacée. yannick.tanguy | ||
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| - | --- | ||
| - | title: The TeX document preparation environment | ||
| - | category: misc | ||
| - | permalink: / | ||
| - | redirect_from: | ||
| - | date: 2018-05-24 | ||
| - | --- | ||
| - | |||
| - | # The TeX document preparation environment | ||
| - | |||
| - | '' | ||
| - | outlines the reasons (or excuses) for the huge disparity of user | ||
| - | interface between '' | ||
| - | processors. | ||
| - | |||
| - | Nowadays, at last, there is a range of tools available that try either | ||
| - | to bridge or to close the gap. One range modestly focuses on | ||
| - | providing the user with a legible source document. The low end of the | ||
| - | prettifying range is occupied by syntax highlighting: | ||
| - | tokens, comments and other stuff with special colors. | ||
| - | Many free editors can cater for TeX in this way. At the other | ||
| - | extreme we have [TeXmacs](http:// | ||
| - | a& | ||
| - | TeX's algorithms and fonts for both editor display and printing. | ||
| - | TeXmacs does not use the TeX | ||
| - | language itself (though among other formats, LaTeX may be exported | ||
| - | and imported). | ||
| - | [LyX](http:// | ||
| - | editor display and file formats as well, but does its print output by | ||
| - | exporting to LaTeX. | ||
| - | printed output, but you have the possibility of entering arbitrary | ||
| - | LaTeX code. If you use constructs that LyX does not | ||
| - | understand, it will just display them as source text marked red, but | ||
| - | will properly export them. | ||
| - | |||
| - | Since a lot of work is needed to create an editor from scratch that actually is | ||
| - | good at editing (as well as catering for TeX), it is perhaps no accident that | ||
| - | several approaches have been implemented using the extensible Emacs editor. | ||
| - | There are though a very large number of (La)TeX-specific editors: see | ||
| - | < | ||
| - | |||
| - | A different type of tool focuses on making update and access to previews of the | ||
| - | typeset document more immediate. This is typically handled using a system | ||
| - | called SyncTeX, which allows the relationship between lines in input and | ||
| - | position in PDF output to be tracked. Thus it is possible to switch directly | ||
| - | from a (potentially long) source to the resulting output, or _vice versa_. A | ||
| - | very large number of the editors mentioned above support this technology. | ||
| - | |||
| - | The different approaches offer various choices differing in the | ||
| - | immediacy of their response, the screen area they work on (source or | ||
| - | separate window), degree of correspondence of the display to the final | ||
| - | output, and the balance they strike between visual aid and visual | ||
| - | distraction. | ||
| - | |||
