835fec7f3c
ZSH versions less than 5.3.2 (or 5.4) have a bug that prevents `history-incremental-pattern-search-backward` for working correctly (the history stops searching after the first found item). Closes #407
82 lines
2.8 KiB
Markdown
82 lines
2.8 KiB
Markdown
zsh-syntax-highlighting
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=======================
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**[Fish shell][fish]-like like syntax highlighting for [Zsh][zsh].**
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*Requirements: zsh 4.3.17+.*
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[fish]: http://www.fishshell.com/
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[zsh]: http://www.zsh.org/
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This package provides syntax highlighing for the shell zsh. It enables
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highlighing of commands whilst they are typed at a zsh prompt into an
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interactive terminal. This helps in reviewing commands before running
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them, particularly in catching syntax errors.
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Some examples:
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Before: [](images/before1.png)
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<br/>
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After: [](images/after1.png)
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Before: [](images/before2.png)
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<br/>
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After: [](images/after2.png)
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Before: [](images/before3.png)
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<br/>
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After: [](images/after3.png)
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How to install
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--------------
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See [INSTALL.md](INSTALL.md).
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FAQ
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---
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### Why must `zsh-syntax-highlighting.zsh` be sourced at the end of the `.zshrc` file?
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`zsh-syntax-highlighting.zsh` wraps ZLE widgets. It must be sourced after all
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custom widgets have been created (i.e., after all `zle -N` calls and after
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running `compinit`). Widgets created later will work, but will not update the
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syntax highlighting.
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### Does syntax highlighting work during incremental history search?
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Yes!
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If you're using `history-incremental-search-backward` (by default bound to <kbd>Ctrl+R</kbd>
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in zsh's emacs keymap) then it works with _zsh version 5.3 and newer_.
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If you're using `history-incremental-pattern-search-backward`, then syntax highlighting works
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in _zsh 5.3.2 and newer_ due to [a bug in zsh](http://www.zsh.org/cgi-bin/mla/redirect?WORKERNUMBER=40285).
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Under zsh 5.2 and older, the zsh-default [underlining][zshzle-Character-Highlighting]
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of the matched portion of the buffer remains available, but zsh-syntax-highlighting's
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additional highlighting is unavailable. (Those versions of zsh do not provide
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enough information to allow computing the highlighting correctly.)
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See [issue #288][i288] for details.
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[zshzle-Character-Highlighting]: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Character-Highlighting
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[i288]: https://github.com/zsh-users/zsh-syntax-highlighting/pull/288
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### How are new releases announced?
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There is currently no "push" announcements channel. However, the following
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alternatives exist:
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- GitHub's RSS feed of releases: https://github.com/zsh-users/zsh-syntax-highlighting/releases.atom
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- An anitya entry: https://release-monitoring.org/project/7552/
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How to tweak
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------------
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Syntax highlighting is done by pluggable highlighter scripts. See the
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[documentation on highlighters](docs/highlighters.md) for details and
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configuration settings.
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