docs(autocompletion): update autocompletion docs

Update the autocompletion documentation (in `README` and `man` page) to
include information about configuring `zsh` autocompletion script.

README.md

@@ -196,14 +196,13 @@ cheat -p personal -t networking --regex -s '(?:[0-9]{1,3}\.){3}[0-9]{1,3}'
 
 Advanced Usage
 --------------
-Shell autocompletion is currently available for the `bash` and `fish` shells.
+Shell autocompletion is currently available for `bash`, `fish`, and `zsh`. Copy
-Copy the relevant [completion script][completions] into the appropriate
+the relevant [completion script][completions] into the appropriate directory on
-directory on your filesystem to enable autocompletion. (This directory will
+your filesystem to enable autocompletion. (This directory will vary depending
-vary depending on operating system and shell specifics.)
+on operating system and shell specifics.)
 
 Additionally, `cheat` supports enhanced autocompletion via integration with
-[fzf][]. (This feature is currently available on bash only.) To enable `fzf`
+[fzf][]. To enable `fzf` integration:
-integration:
 
 1. Ensure that `fzf` is available on your `$PATH`
 2. Set an envvar: `export CHEAT_USE_FZF=true`

doc/cheat.1

@@ -175,15 +175,17 @@ For detailed instructions on how to configure cheatpaths, please refer
 to the comments in conf.yml.
 .SS Autocompletion
 .PP
-Autocompletion scripts for \f[B]bash\f[]/\f[B]zsh\f[] and \f[B]fish\f[]
+Autocompletion scripts for \f[B]bash\f[], \f[B]zsh\f[], and
-are available for download:
+\f[B]fish\f[] are available for download:
 .IP \[bu] 2
 <https://github.com/cheat/cheat/blob/master/scripts/cheat.bash>
 .IP \[bu] 2
 <https://github.com/cheat/cheat/blob/master/scripts/cheat.fish>
+.IP \[bu] 2
+<https://github.com/cheat/cheat/blob/master/scripts/cheat.zsh>
 .PP
-The \f[B]bash\f[]/\f[B]zsh\f[] scripts provide optional integration with
+The \f[B]bash\f[] and \f[B]zsh\f[] scripts provide optional integration
-\f[B]fzf\f[], if the latter is available on your \f[B]PATH\f[].
+with \f[B]fzf\f[], if the latter is available on your \f[B]PATH\f[].
 .PP
 The installation process will vary per system and shell configuration,
 and thus will not be discussed here.
@@ -195,6 +197,12 @@ If \f[B]CHEAT_CONFIG_PATH\f[] is set, all other config paths will be
 ignored.
 .RS
 .RE
+.TP
+.B \f[B]CHEAT_USE_FZF\f[]
+If set, autocompletion scripts will attempt to integrate with
+\f[B]fzf\f[].
+.RS
+.RE
 .SH BUGS
 .PP
 See GitHub issues: <https://github.com/cheat/cheat/issues>

doc/cheat.1.md

@@ -137,14 +137,15 @@ comments in conf.yml.
 
 Autocompletion
 --------------
-Autocompletion scripts for **bash**/**zsh** and **fish** are available for
+Autocompletion scripts for **bash**, **zsh**, and **fish** are available for
 download:
 
 - <https://github.com/cheat/cheat/blob/master/scripts/cheat.bash>
 - <https://github.com/cheat/cheat/blob/master/scripts/cheat.fish>
+- <https://github.com/cheat/cheat/blob/master/scripts/cheat.zsh>
 
-The **bash**/**zsh** scripts provide optional integration with **fzf**, if the
+The **bash** and **zsh** scripts provide optional integration with **fzf**, if
-latter is available on your **PATH**.
+the latter is available on your **PATH**.
 
 The installation process will vary per system and shell configuration, and thus
 will not be discussed here.
@@ -158,6 +159,10 @@ ENVIRONMENT
 : The path at which the config file is available. If **CHEAT_CONFIG_PATH** is
 set, all other config paths will be ignored.
 
+**CHEAT_USE_FZF**
+
+: If set, autocompletion scripts will attempt to integrate with **fzf**.
+
 
 BUGS
 ====