[Fix #383] Do not set $MANPATH

man dynamically searches for man pages based on $PATH.

modules/haskell/init.zsh

@@ -10,11 +10,9 @@ if (( ! $+commands[ghc] )); then
   return 1
 fi
 
-# Prepend Cabal per user directories to PATH/MANPATH.
+# Prepend Cabal per user directories to PATH.
 if [[ "$OSTYPE" == darwin* && -d $HOME/Library/Haskell ]]; then
   path=($HOME/Library/Haskell/bin(/N) $path)
-  manpath=($HOME/Library/Haskell/man(/N) $manpath)
 else
   path=($HOME/.cabal/bin(/N) $path)
-  manpath=($HOME/.cabal/man(/N) $manpath)
 fi

modules/macports/init.zsh

@@ -21,12 +21,6 @@ infopath=(
   $infopath
 )
 
-# Set the list of directories that man searches for manuals.
-manpath=(
-  /opt/local/share/man
-  $manpath
-)
-
 # Set the list of directories that Zsh searches for programs.
 path=(
   /opt/local/{bin,sbin}

modules/perl/init.zsh

@@ -20,8 +20,6 @@ if [[ "$OSTYPE" == darwin* ]]; then
   perl_path="$HOME/Library/Perl/5.12"
 
   if [[ -f "$perl_path/lib/perl5/local/lib.pm" ]]; then
-    manpath=("$perl_path/man" $manpath)
-
     if [[ ! -s "$cache_file" ]]; then
       perl -I$perl_path/lib/perl5 -Mlocal::lib=$perl_path >! "$cache_file"
     fi

modules/python/init.zsh

@@ -17,14 +17,12 @@ if (( ! $+commands[python] && ! $+commands[pythonz] )); then
 fi
 
 # Prepend PEP 370 per user site packages directory, which defaults to
-# ~/Library/Python on Mac OS X and ~/.local elsewhere, to PATH/MANPATH.
+# ~/Library/Python on Mac OS X and ~/.local elsewhere, to PATH.
 if [[ "$OSTYPE" == darwin* ]]; then
   path=($HOME/Library/Python/*/bin(N) $path)
-  manpath=($HOME/Library/Python/*/{,share/}man(N) $manpath)
 else
   # This is subject to change.
   path=($HOME/.local/bin $path)
-  manpath=($HOME/.local/{,share/}man(N) $manpath)
 fi
 
 # Load virtualenvwrapper into the shell session.

runcoms/zshenv

@@ -34,7 +34,6 @@ fi
 #
 
 typeset -gU cdpath fpath mailpath path
-typeset -gxU MANPATH
 typeset -gxUT INFOPATH infopath
 
 # Set the the list of directories that cd searches.
@@ -49,18 +48,6 @@ infopath=(
   $infopath
 )
 
-# Set the list of directories that man searches for manuals.
-manpath=(
-  /usr/local/share/man
-  /usr/share/man
-  $manpath
-)
-
-for path_file in /etc/manpaths.d/*(.N); do
-  manpath+=($(<$path_file))
-done
-unset path_file
-
 # Set the list of directories that Zsh searches for programs.
 path=(
   /usr/local/{bin,sbin}