Do not use sudo when listing orphaned packages with pacman

Package names are bold, and the package version is also shown, in bold
green.

Fix awk's field separator which used to truncate any version or package
description containing a colon.

modules/pacman/functions/pacman-list-explicit

@@ -9,10 +9,13 @@
 pacman --query --explicit --info \
   | awk '
       BEGIN {
-        FS=":"
+        FS=" : "
       }
       /^Name/ {
-        print $2
+        printf "\033[0;01m" $2 "\033[0m"
+      }
+      /^Version/ {
+        print " \033[1;32m" $2 "\033[0m"
       }
       /^Description/ {
         print $2

modules/pacman/init.zsh

@@ -28,6 +28,7 @@ if (( $+commands[$_pacman_frontend] )); then
     source "${0:h}/${_pacman_frontend}.zsh"
   fi
 else
+  _pacman_frontend='pacman'
   _pacman_sudo='sudo '
 fi
 
@@ -36,7 +37,7 @@ fi
 #
 
 # Pacman.
-alias pac= "${_pacman_frontend}"
+alias pac="${_pacman_frontend}"
 
 # Installs packages from repositories.
 alias paci="${_pacman_sudo}${_pacman_frontend} --sync"
@@ -63,7 +64,7 @@ alias pacs="${_pacman_frontend} --sync --search"
 alias pacS="${_pacman_frontend} --query --search"
 
 # Lists orphan packages.
-alias pacman-list-orphans="${_pacman_sudo}${_pacman_frontend} --query --deps --unrequired"
+alias pacman-list-orphans="${_pacman_frontend} --query --deps --unrequired"
 
 # Removes orphan packages.
 alias pacman-remove-orphans="${_pacman_sudo}${_pacman_frontend} --remove --recursive \$(${_pacman_frontend} --quiet --query --deps --unrequired)"