When viewed in the Courses tool pane (for HB101 segment 2, Suggested Reading, Final Letters), there is no visible table or columns for the two forms:
When that reading is opened in its own tab, the table is visible, but the Hebrew letter מ Basic form is not visible:

When the same content is viewed independently of the reading, the מ is visible again.

LLS:46.20.17
2009-10-27T03:15:50Z
BEGBIBLHEB.logos4
This occurs with 7.3.0.0031 on macOS 10.12.2