+20091205
+ + correct layout of working window used to extract data in
+ wide-character configured by set_field_buffer (patch by Rafael
+ Garrido Fernandez)
+ + improve some limit-checks related to filename length in reading and
+ writing terminfo entries.
+ + ensure that filename is always filled in when attempting to read
+ a terminfo entry, so that infocmp can report the filename (patch
+ by Nicholas Marriott).
+