mirror of https://github.com/texmacs/doc.git
86 lines
3.6 KiB
Plaintext
86 lines
3.6 KiB
Plaintext
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<TeXmacs|1.0.7.6>
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<style|tmdoc>
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<\body>
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<tmdoc-title|Structured cursor movement>
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<TeXmacs> implements the three main mechanisms for <em|structured cursor
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movement>:
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<\enumerate>
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<item>Traversal of the entire structure of the document.
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<item>Traversal of tags which are similar to the innermost tag.
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<item>Movements inside the innermost tag.
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</enumerate>
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Most keyboard shortcuts for structured cursor movements can be used in
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combination with the<nbsp><prefix|S->-key so as to similtaneously select
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text while moving around.
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<todo|customizing the behaviour>
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<paragraph*|Structured traversal of the document>
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The <shortcut|(traverse-left)>, <shortcut|(traverse-right)>,
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<shortcut|(traverse-up)> and <shortcut|(traverse-down)> keys are used for
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the structured traversal of the entire document. Inside plain text,
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<shortcut|(traverse-left)> and <shortcut|(traverse-right)> allow you to
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move in a word-by-word manner, while <shortcut|(traverse-up)> and
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<shortcut|(traverse-down)> correspond to paragraph-by-paragraph motion.
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In the presence of other markup, the <shortcut|(traverse-left)> and
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<shortcut|(traverse-right)> keys allow you to visit all accessible cursor
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positions of the document, except that we keep moving in a word-by-word
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manner inside plain text. The behaviour of the <shortcut|(traverse-up)> and
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<shortcut|(traverse-down)> keys is more context-dependent. Inside matrices,
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they typically allow you to move one row up or down.
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<paragraph*|Traversal of tags which are similar to the innermost tag>
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This type of cursor movement allows you to quickly visit all other tags in
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the document which are <em|similar> to the innermost tag. The
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<shortcut|(traverse-previous)> and <shortcut|(traverse-next)> keys allow
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you move to the previous or next similar tags, whereas
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<shortcut|(traverse-first)> and <shortcut|(traverse-last)> directly jump to
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the first or last similar tags.
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For instance, when you are inside a section title, you may move to the
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previous sectional title (which could also be the title of a subsection or
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a chapter, for instance) using <shortcut|(traverse-previous)>. Notice that
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you may use <key|C-<2D>> to jump to the previous section title.
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<paragraph*|Movements inside the innermost tag>
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It is also possible to quickly move inside the innermost tag without
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quitting it. The shortcuts <shortcut|(structured-left)>,
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<shortcut|(structured-right)>, <shortcut|(structured-start)> and
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<shortcut|(structured-end)> provide a way to move to the previous, next,
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first or last argument of the innermost tag. Furthermore, the shortcuts
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<shortcut|(structured-exit-left)> and <shortcut|(structured-exit-right)>
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may be used to exit the innermost tag on the left or on the right.
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This default behaviour may be overridden in special contexts. For instance,
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inside tables or trees, they rather correspond to cell-by-cell or
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node-by-node cursor movement. In addition, these cases associate vertical
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cursor movements to <shortcut|(structured-up)>,
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<shortcut|(structured-down)>, <shortcut|(structured-top)>
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and<nbsp><shortcut|(structured-bottom)>.
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<tmdoc-copyright|1998--2005|Joris van der Hoeven>
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<tmdoc-license|Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU Free Documentation License, Version 1.1
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or any later version published by the Free Software Foundation; with no
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Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled "GNU Free
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Documentation License".>
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</body>
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<\initial>
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<\collection>
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<associate|language|english>
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</collection>
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</initial>
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