# Special considerations

## Mac OS X applications

### Installation

Mac OS X applications should install to `/Applications/MacPorts/`.

## XFree86 servers

### Prefix

## Perl modules and other language libraries and plug-ins

### Perl

### TCL

### Ruby

### Python

#### Zope

Zope products should install to the Zope `$SOFTWARE_HOME` rather than `$INSTANCE_HOME` so that they do not conflict with any user-installed products that might be in `$INSTANCE_HOME`.

Zope products should also be prefixed with `zope-` so that they do not create confusion.

### Others