zsh-syntax-highlighting/README.md
2016-08-16 17:09:42 +00:00

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zsh-syntax-highlighting
=======================
**[Fish shell][fish]-like like syntax highlighting for [Zsh][zsh].**
*Requirements: zsh 4.3.17+.*
[fish]: http://www.fishshell.com/
[zsh]: http://www.zsh.org/
This package provides syntax highlighing for the shell zsh. It enables
highlighing of commands whilst they are typed at a zsh prompt into an
interactive terminal. This helps in reviewing commands before running
them, particularly in catching syntax errors.
[![Screenshot](images/preview-smaller.png)](images/preview.png)
How to install
--------------
See [INSTALL.md](INSTALL.md).
FAQ
---
### Why must `zsh-syntax-highlighting.zsh` be sourced at the end of the `.zshrc` file?
`zsh-syntax-highlighting.zsh` wraps ZLE widgets. It must be sourced after all
custom widgets have been created (i.e., after all `zle -N` calls and after
running `compinit`). Widgets created later will work, but will not update the
syntax highlighting.
### Does syntax highlighting work during incremental history search?
Highlighting the command line during an incremental history search
(with the `history-incremental-search-backward` widget, which is
bound by default to <kbd>Ctrl+R</kbd> in zsh's emacs keymap) requires zsh 5.3
or newer.
Under zsh 5.2 and older, the zsh-default [underlining][zshzle-Character-Highlighting]
of the matched portion of the buffer remains available, but zsh-syntax-highlighting's
additional highlighting is unavailable. (Those versions of zsh do not provide
enough information to allow computing the highlighting correctly.)
See [issue #288][i288] for details.
[zshzle-Character-Highlighting]: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Character-Highlighting
[i288]: https://github.com/zsh-users/zsh-syntax-highlighting/pull/288
### How are new releases announced?
There is currently no "push" announcements channel. However, the following
alternatives exist:
- GitHub's RSS feed of releases: https://github.com/zsh-users/zsh-syntax-highlighting/releases.atom
- An anitya entry: https://release-monitoring.org/project/7552/
How to tweak
------------
Syntax highlighting is done by pluggable highlighter scripts. See the
[documentation on highlighters](docs/highlighters.md) for details and
configuration settings.