This tests Multisource operations:
[% USE Multisource -%]

Sources                                :
[%- FOREACH source = Multisource.sources(ms) -%]
 [% source -%]
[% END %]

Eles                                   :
[%- FOREACH ele = Multisource.eles(ms) -%]
 [% ele -%]
[% END %]

Eles_in_source (source1)               :
[%- FOREACH ele = Multisource.eles_in_source(ms,'source1') -%]
 [% ele -%]
[% END %]
Eles_in_source (source2)               :
[%- FOREACH ele = Multisource.eles_in_source(ms,'source2') -%]
 [% ele -%]
[% END %]

Ele_in_sources (one)                   :
[%- FOREACH source = Multisource.ele_in_sources(ms,'one') -%]
 [% source -%]
[% END %]
Ele_in_sources (two)                   :
[%- FOREACH source = Multisource.ele_in_sources(ms,'two') -%]
 [% source -%]
[% END %]
Ele_in_sources (three)                 :
[%- FOREACH source = Multisource.ele_in_sources(ms,'three') -%]
 [% source -%]
[% END %]
Ele_in_sources (zero)                  :
[%- FOREACH source = Multisource.ele_in_sources(ms,'zero') -%]
 [% source -%]
[% END %]

Ele_in_source (source1,one)            : [% Multisource.ele_in_source(ms,'source1','one') %]
Ele_in_source (source1,two)            : [% Multisource.ele_in_source(ms,'source1','two') %]

Ele (one)                              : [% Multisource.ele(ms,'one') %]
Ele (zero)                             : [% Multisource.ele(ms,'zero') %]

Access (three,/a)                      : [% Multisource.access_val(ms,'three','/a') %]
Access (three,/b)                      : [% Multisource.access_val(ms,'three','/b') %]
Access (three,/c)                      : [% Multisource.access_val(ms,'three','/c') %]
Access (four,/l)                       : [% Multisource.access_val(ms,'four','/l') %]

Access (one,/l)                        :
[%- FOREACH ele = Multisource.access_list(ms,'one','/l') -%]
 [% ele -%]
[% END %]
Access (one,/)                         :
[%- FOREACH ele = Multisource.access_list(ms,'one','/') -%]
 [% ele -%]
[% END %]

Which (/b bb)                          :
[%- FOREACH ele = Multisource.which(ms,'/b','bb') -%]
 [% ele -%]
[% END %]
Which (/c cc)                          :
[%- FOREACH ele = Multisource.which(ms,'/c','cc') -%]
 [% ele -%]
[% END %]

Which_sources (zero /a all)            :
[%- FOREACH source = Multisource.which_sources(ms,'zero','/a','all') -%]
 [% source -%]
[% END %]
Which_sources (one /xxx all)           :
[%- FOREACH source = Multisource.which_sources(ms,'one','/xxx','all') -%]
 [% source -%]
[% END %]
Which_sources (eight /c all)           :
[%- FOREACH source = Multisource.which_sources(ms,'eight','/c','all') -%]
 [% source -%]
[% END %]
Which_sources (eight /c all-val)       :
[%- FOREACH source = Multisource.which_sources(ms,'eight','/c','all-val') -%]
 [% source -%]
[% END %]
Which_sources (eight /c readonly)      :
[%- FOREACH source = Multisource.which_sources(ms,'eight','/c','readonly') -%]
 [% source -%]
[% END %]
Which_sources (eight /c readonly-val)  :
[%- FOREACH source = Multisource.which_sources(ms,'eight','/c','readonly-val') -%]
 [% source -%]
[% END %]