These functions are described in The Single Unix Specification, Version
- 2. No error conditions are defined. This implementation returns ERR
+ 2. No error conditions are defined. This implementation returns ERR
if the window pointer is null, or if the lower-level wget_wch call re-
- turns an ERR. In the latter case, an ERR return without other data is
+ turns an ERR. In the latter case, an ERR return without other data is
treated as an end-of-file condition, and the returned array contains a
WEOF followed by a null wchar_t.