An empty request (single dot on the line) is treated as an empty line by troff(1) and is ignored.  Teach makewhatis(1) about this.  This makes the following difference:
An empty request (single dot on the line) is treated as an
empty line by troff(1) and is ignored.  Teach makewhatis(1)
about this.  This makes the following difference:

-groff_man(7), . groff_man(7) - groff `man' macros to support generation of man pages
+groff_man(7)             - groff `man' macros to support generation of man pages
-groff_mdoc(7), -(7)      - . groff_mdoc reference for groff's mdoc implementation
+groff_mdoc(7), -(7)      - groff_mdoc reference for groff's mdoc implementation
-troff(1), . . troff(1)   - format documents
+troff(1)                 - format documents

Noticed by:	yar

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase