SYNOPSIS
    string strip_article (string text)

DESCRIPTION
    Any "a ", "an " or "the " is removed from the start of <text> if
    necessary. The remainder is returned.

EXAMPLE
    strip_article("a cart")  --> "cart"
    strip_article("the gem") --> "gem"

SEE ALSO
    strip_a(SEFUN), add_a(SEFUN)