"""
Creates a link relative to the current page.

Examples:
    [[RelLink(deeper1)]]
"""

from StringIO import StringIO

def execute(hdf, args, env):
    rs =""
    pn = hdf.getValue('wiki.page_name', '')
    hr = env.href.wiki()
    ln = 'wiki:' + pn + '/' + args
    li = hr + '/' + pn + '/' + args
    rs += '<a href="'
    rs += li
    rs += '">'
    rs += ln
    rs += '</a>'
    return rs