PDS_VERSION_ID	      = PDS3
RECORD_TYPE	      = STREAM

OBJECT		      = TEXT
  INTERCHANGE_FORMAT	= ASCII
  PUBLICATION_DATE	= 1994-05-13
  NOTE			= ""
END_OBJECT	      = TEXT

END

Rel. 4.1 93/3/8 Base-line --- @(#)ChangeLg	4.10 94/02/16 GIE REL
-------------------------------------------------------------------------
93/3/20
	pj_init -- added +k_0 as alternative to +k so as to match documentation.

93/3/21
	Laborde projection added.  Primarily for Madagascar grid.
	Considered BETA at moment until info obtained to give adequate
	documentation.

93/3/26
	Oblique Mercator modified to allow processing of Malasian Grid.
	+no_uoff and +rot_conv options added.

93/3/26
	Corrected text in Interim Report:
	p. 12 - +phi's changed to +lat's
	p. 12 - added updated Oblique Mercator documentation

Unresolved:

Reports of errno 25 persist.  Do not know what platform.  Reviewed
	code and can't see problem.
Unknown platform has problem with pj_errno global and linker storage
	allocation.  Seems similar to SG problem that was over come with 
	-common switch.

Rel. 4.1.1 93/3/26 Base-line
-------------------------------------------------------------------------

93/4/2
	gencheby.c - added <stdio.h> header.

93/4/3-4
	gencheby.c, projects.h - corrected gen_cheby argument declarations
		related to 'proj' argument and prototype.  Often signalled
		warnings, but still managed to execute OK.
	
	pj_init.c - local function get_init had insufficient storage
		defined for copy of file name and id.  Added id define.
		Strncat replaced with correct strncpy (amazingly did not
		cause problems except of one system).

	Proj now compiles on DOS Microsoft 5.0 C compiler.  MS suffers
		same brain-damage as DEC, so requires local strtod function.

	pj_strerrno prototype added to projects.h

	DOS option in strtod.c for MS C's lack of standard macros in neaders.

Rel. 4.1.2 93/4/4 Base-line
-------------------------------------------------------------------------

93/4/8
	Corrected pj_inv so that errno and pj_errno are reset on entry.

93/4/14
	Added elliptical forms to Azimuthal Equidistant (aeqd).

93/4/15
	Corrected positive error return to negative in x_lcc.c .

	Added Indian units conversions to pj_units.

Rel. 4.1.3 93/4/15 Base-line
-------------------------------------------------------------------------

93/5/22
	Extensively revised Chebychev approximation procedures and added
	conversion to power series.

93/6/8
	Changed type of pj_param, plus mods to some other internal procedures.

93/6/13
	Modified pj_factr.  Principle mod was that calling program must
	provide base for structure FACTORS.  Additional mods reflect
	optional analytic input from projection modules (see next entry).

	Modified base of PJ structure for projections to supply analytic
	values of partial derivatives, scale factors and/or convergence
	when formulary available.

	Added -V option for proj so as to provide more complete, verbose
	analysis of projection characteristics at selected geographic or
	cartesian point.

93/6/14
	Pj_errno given its own module and projects.h declares it external.
	To cover ANSI standards related to global variable.  SG linker should
	stop complaining.

93/7/15
	Several additions and a couple of minor corrections to elliptical
	tables.

93/8/4
	x_ocea.c error in applying k0.

93/8/19
	Minor general corrections.
	Added nadcon conversion procedures and nad2nad program.
	Projects.h modified to reflect nadcon prototypes and stuctures.
	pj_open_lib extracted from pj_init and made global for use in nad_init.

93/8/25
	Corrected pj_open_lib open for both binary and text modes.  Mostly
	for brain damaged DOS.  Also affected calls in pj_init.c and nad_init.c

	Installs and other scripts updated.

Rel. 4.2 93/8/25 Base-line
-------------------------------------------------------------------------

93/9/13
	Improved bch2bps.c code.  Old code not in error.
	Still problems with DEC native C compiler.

93/9/28
	Modified install script for DEC entry, forcing gcc for compilation.

93/9/29
	Problem with due South forward in geod.  Current version will not
	be fixed as it is to be replaced with Vincente algorithm.

93/9/30
	Two corrections in src/makefile.

Rel. 4.2.1 93/9/30 Base-line
-------------------------------------------------------------------------

93/10/3
	Geod incorrectly computed some forward values when geodesic on the
	merdian.

93/11/2
	Projection stere fails for polar cases because of 0 lat_ts.  Fixed
	by testing for lat_ts specification and setting to 90 degrees when
	lat_ts not specified.  UPS not affected.

93/11/5
	Inverse polar stereographic also failed on 0 x xor y.  Corrected.

93/11/10
	Changed "install" to include "plain" system type for systems that
	do not require special consideration.

Rel. 4.2.2 93/9/30 Base-line
-------------------------------------------------------------------------

93/11/14
	1. Minor change to projects.h to correct prototype.
	2. Changes to pj_init.c regarding ignoring failure to open
	   proj_def.dat.
	3. Alternate method of initializing automatic array.

93/11/16
	DOS distribution.

93/11/28
	Added "Final" figure line to begining of -V option ouput.  Allows
	user to see results of +ellps and +R_V, etc. arguments.  "Feature,"
	not an error.  Mod to proj.c.

93/12/03
	Removed non-ANSI usage of errno from x_laea.
	Added test for previous definition of NULL in strtod.c.

93/12/12
	Made aatan2 (compensates for 0,0 args) global.

93/12/30
	Removed proj "error" message at end of -l option list.

94/1
	Major revision to projection structure to facilitate maintenance.
	Introduced PROJ_HEAD macro that is defined in several ways
	dependent upon use.  Allows generation of pj_list table from
	`grep'ed projection files.  Structure PJ now contains pointer
	to const string giving ascii description of projection.  Limited
	application projection list much easier to generate with this system.

	Many new pseudocylindrical projections added as well as a few new
	miscellaneous projections.  Total projection count now 110.

Rel. 4.3 94/2/16 Base-line
-------------------------------------------------------------------------
