updated for version 7.4.214
Problem:    Compilation problems on HP_nonStop (Tandem).
Solution:   Add #defines. (Joachim Schmitz)
Added tag v7-4-214 for changeset fe02fdfbdec0
updated for version 7.4.215
Problem:    Inconsistency: ":sp foo" does not reload "foo", unless "foo" is
	    the current buffer. (Liang Li)
Solution:   Do not reload the current buffer on a split command.
Added tag v7-4-215 for changeset f069a3a0f844
updated for version 7.4.216
Problem:    Compiler warnings. (Tony Mechelynck)
Solution:   Initialize variables, add #ifdef.
Added tag v7-4-216 for changeset bf1775553d3b
updated for version 7.4.217
Problem:    When src/auto/configure was updated, "make clean" would run
	    configure pointlessly.
Solution:   Do not run configure for "make clean" and "make distclean" when
	    the make program supports $MAKECMDGOALS. (Ken Takata)
Added tag v7-4-217 for changeset 2f225a17c26b
updated for version 7.4.218
Problem:    It's not easy to remove duplicates from a list.
Solution:   Add the uniq() function. (LCD)
Added tag v7-4-218 for changeset ddc3f32a4b21