Deprecate nfields and replace with numfields. * NEWS: Announce deprecation of nfields and addition of new function numfields. * container.txi: Add numfields to the manual. * oct-map.cc (octave_map::cat): Change %!tests to use numfields. * ov-struct.cc (Fnumfields): Function renamed from nfields. * scripts/deprecated/nfields.m: Add m-file which warns about nfields deprecation. * scripts/deprecated/module.mk: Add nfields.m to build system. * fieldnames.m: Change seealso link to point to numfields. * __isequal__.m: Use numfields to simplify code. * imwrite.m: Replace 'isempty (fieldnames (fmt))' with 'numfields (fmt) > 0' for clarity. * imageIO.m: Replace 'isempty (fieldnames (fmt))' with 'numfields (fmt) > 0' for clarity. * importdata.m: Use numfields to simplify code. * assert.m: Use numfields to simplify code.

--- a/doc/interpreter/container.txi	Sat Mar 01 22:11:32 2014 -0800
+++ b/doc/interpreter/container.txi	Sun Mar 02 12:56:11 2014 -0800
@@ -507,7 +507,7 @@
 
 Other functions that can manipulate the fields of a structure are given below.
 
-@DOCSTRING(nfields)
+@DOCSTRING(numfields)
 
 @DOCSTRING(fieldnames)