See
	--warning: symbol "fff" in Bar.Dictionary is shadowed by a symbol in Foo.Dictionary
below:

Macaulay2, version 1.3.1.1
with packages: ConwayPolynomials, Elimination, IntegralClosure, LLLBases, PrimaryDecomposition, ReesAlgebra, SchurRings, TangentCone

i1 : get "Bar.m2"

o1 = newPackage "Bar"
     export "fff"
     beginDocumentation()
     document { Key => "bbb" }


i2 : get "Foo.m2"

o2 = newPackage "Foo"
     export "fff"
     beginDocumentation()
     document {
          Key => Foo,
          TO "Bar :: bbb"
          }


i3 : installPackage "Bar"
--installing package Bar in /Users/dan/Library/Application Support/Macaulay2/local/
--using package sources found in /private/tmp/a/
--storing raw documentation in /Users/dan/Library/Application Support/Macaulay2/local/lib/Macaulay2/x86_64-MacOS-10.6/Bar/cache/rawdocumentation-dcba-8.db
--running tests that are functions
--making example result files in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Bar/example-output/
--processing documentation nodes...
--assembling table of contents
--warning: symbol has no documentation: Bar :: fff
--warning: 1 warning occurred in documentation for package Bar
--making info file in /Users/dan/Library/Application Support/Macaulay2/local/share/info/Bar.info.tmp
--completed info file moved to /Users/dan/Library/Application Support/Macaulay2/local/share/info/Bar.info
--making empty html pages in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Bar/html/
--making html pages in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Bar/html/
--making 'Symbol Index' in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Bar/html/master.html
--warning: tag has no documentation: Bar :: Bar, key symbol Bar
--making  Bar : Table of Contents' in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Bar/html/toc.html
--file created: /Users/dan/Library/Application Support/Macaulay2/local/lib/Macaulay2/x86_64-MacOS-10.6/Bar/.installed
--installed package Bar in /Users/dan/Library/Application Support/Macaulay2/local/

i4 : installPackage "Foo"
--warning: symbol "fff" in Bar.Dictionary is shadowed by a symbol in Foo.Dictionary
--  use the synonym Bar$fff
--installing package Foo in /Users/dan/Library/Application Support/Macaulay2/local/
--using package sources found in /private/tmp/a/
--storing raw documentation in /Users/dan/Library/Application Support/Macaulay2/local/lib/Macaulay2/x86_64-MacOS-10.6/Foo/cache/rawdocumentation-dcba-8.db
--running tests that are functions
--making example result files in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Foo/example-output/
--processing documentation nodes...
--assembling table of contents
--warning: symbol has no documentation: Foo :: fff
--warning: 1 warning occurred in documentation for package Foo
--making info file in /Users/dan/Library/Application Support/Macaulay2/local/share/info/Foo.info.tmp
--completed info file moved to /Users/dan/Library/Application Support/Macaulay2/local/share/info/Foo.info
--making empty html pages in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Foo/html/
--making html pages in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Foo/html/
--making 'Symbol Index' in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Foo/html/master.html
--making  Foo : Table of Contents' in /Users/dan/Library/Application Support/Macaulay2/local/share/doc/Macaulay2/Foo/html/toc.html
--file created: /Users/dan/Library/Application Support/Macaulay2/local/lib/Macaulay2/x86_64-MacOS-10.6/Foo/.installed
--installed package Foo in /Users/dan/Library/Application Support/Macaulay2/local/
