feat(macos): allow multiple man pages in `man-preview` (#11365)

plugins/macos/README.md

@@ -25,7 +25,7 @@ Original author: [Sorin Ionescu](https://github.com/sorin-ionescu)
 | `pxd`         | Return the current Xcode project directory               |
 | `cdx`         | `cd` to the current Xcode project directory              |
 | `quick-look`  | Quick-Look a specified file                              |
-| `man-preview` | Open a specified man page in Preview app                 |
+| `man-preview` | Open man pages in Preview app                            |
 | `showfiles`   | Show hidden files in Finder                              |
 | `hidefiles`   | Hide the hidden files in Finder                          |
 | `itunes`      | _DEPRECATED_. Use `music` from macOS Catalina on         |

plugins/macos/macos.plugin.zsh

@@ -224,9 +224,10 @@ function quick-look() {
 }
 
 function man-preview() {
-  local location
-  # Don't let Preview.app steal focus if the man page doesn't exist
-  location=$(man -w "$@") && mandoc -Tpdf $location | open -f -a Preview
+  local page
+  for page in "${(@f)"$(man -w $@)"}"; do
+    command mandoc -Tpdf $page | open -f -a Preview
+  done
 }
 compdef _man man-preview