11   FF-Test: FF's at Start of File             V
22   Options -b -3 / -a -3 / ...
33   --------------------------------------------
44 3456789 123456789 123456789 123456789 12345678
55   3 Columns downwards ..., <= 5 lines per page
66   FF-Arangements: Empty Pages at start
77   \ftext; \f\ntext;
88   \f\ftext; \f\f\ntext; \f\n\ftext; \f\n\f\n;
99 3456789 123456789 123456789
1010  zzzzzzzzzzzzzzzzzzzzzzzzzz123456789
111                                       12345678
122                                       12345678
133 line truncation before FF; r_r_o_l-test:
1414 456789 123456789 123456789 123456789
15
1615 xyzxyzxyz XYZXYZXYZ abcabcab
1716 456789 123456789 xyzxyzxyz XYZXYZXYZ
187                                       12345678
198                                       12345678
209 3456789 ab
2120 DEFGHI 123
221                                       12345678
232                                       12345678
243                                       12345678
254                                       12345678
265                                       12345678
276                                       12345678
2827 no truncation before FF; (r_l-test):
2928 no trunc
30
3129 xyzxyzxyz XYZXYZXYZ abcabcab
3230 456789 123456789 xyzxyzxyz XYZXYZXYZ
331                                       12345678
342 3456789 abcdefghi
353                                       12345678
36