zsh: Move man wrapper into function for completion

.config/zsh/zshrc.d/20-completion.zsh

@@ -31,8 +31,9 @@ _comp_options+=(globdots)
 # Taken from http://leahneukirchen.org/dotfiles/.zshrc
 zstyle ':completion:*:(diff|meld|trash):*' ignore-line yes
 
-# Use completion of `ls` for `ls-show-hidden`
+# Use completion of commands for their wrapper functions
 compdef ls-show-hidden=ls
+compdef nvim-man=man
 
 # Do not sort `git checkout`s completion
 zstyle ":completion:*:git-checkout:*" sort false

.config/zsh/zshrc.d/30-alias.zsh

@@ -56,12 +56,11 @@
 	alias bin='xxd -b -c4 | cut -d" " -f2-5'
 	if (( $+commands[nvim] )); then
 		alias vim='jobs | grep -q nvim && {fg;:;} || nvim'
-		# $MANPAGER does the trick too but lines are hard-wrapped.
-		alias man='() { nvim +"Man $* | only" }'
 	fi
 	alias v='vim'
 	alias vi='vim'
 	alias vimdiff='vim --cmd "set list" -c "set listchars=tab:>·,space:·" -d'
+	alias man='nvim-man'
 	alias resetCursor='echo -ne "\e[5 q"'
 	alias makeThisScratchpad='echo -ne "\033]0;scratchpad-terminal\007"'
 	# grep filenames and date entries in exiftool

.config/zsh/zshrc.d/40-functions.zsh

@@ -363,3 +363,12 @@ git-commit-last-msg() {
 	gitdir="$(git rev-parse --git-dir)" || return
 	git commit -eF <(sed -n '/^#/q;p' "$gitdir/COMMIT_EDITMSG")
 }
+
+nvim-man() {
+	if (( $+commands[nvim] )); then
+		# $MANPAGER does the trick too but lines are hard-wrapped.
+		nvim +"Man $* | only"
+	else
+		command man "$@"
+	fi
+}