updated for version 7.4b.015
Problem:    Can't compile without the 'acd' feature.
Solution:   Add #ifdefs. (Kazunobu Kuriyama)
Added tag v7-4b-015 for changeset d96f16667cc4
updated for version 7.4b.016
Problem:    Ruby detection fails on Fedora 19.
Solution:   Use one way to get the Ruby version. (Michael Henry)
Added tag v7-4b-016 for changeset ba37e955913e
updated for version 7.4b.017
Problem:    ":he \^x" gives a strange error message. (glts)
Solution:   Do not translate \^x to \_CTRL-x.
Added tag v7-4b-017 for changeset 8c42772f0543
updated for version 7.4b.018
Problem:    Win32: Dialog can still be too big.
Solution:   Move the check for height further down. (Andrei Olsen)
Added tag v7-4b-018 for changeset 7ed1ec814daf
updated for version 7.4b.019
Problem:    Tabline is not updated properly when closing a tab on Win32.
Solution:   Only reduce flickering when adding a tab. (Ken Takata)
Added tag v7-4b-019 for changeset 74a211a0d3a3
updated for version 7.4b.020
Problem:    "g~ap" changes first character of next paragraph. (Manuel Ortega)
Solution:   Avoid subtracting (0 - 1) from todo.  (Mike Williams)
Added tag v7-4b-020 for changeset 46cf49cc9289
updated for version 7.4b.021
Problem:    Pressing "u" after an external command results in multiple
	    press-enter messages. (glts)
Solution:   Don't call hit_return_msg() when we have K_IGNORE. (Christian
	    Brabandt)
Added tag v7-4b-021 for changeset 059c8a4b103f
updated for version 7.4b.022
Problem:    Not waiting for a character when the tick count overflows.
Solution:   Subtract the unsigned numbers and cast to int. (Ken Takata)
Added tag v7-4b-022 for changeset d5d6b78cff09
release version 7.4
Added tag v7-4 for changeset 359743c1f59a