Changelog.txt

2013-05-21 FL 0.79.24

batch files: error recovery fix
concatenation: rewritten
graphics: (dummy) FONT added
graphics: POSITION with /DEVICE fix
graphics: !P.REGION with /DEVICE fix
graphics: [XYZ]LOG with [XYZ]STYLE=1 fix
keywords: undefined variables fix
COLOR_QUAN: added
FZ_ROOTS: added
HELP: CALLS fix
LEGENDRE: negative x fix
MEDIAN: DIMENSION added
PLOT: argument validation fix
PLOT: PSYM=10 fix
POINT_LUN: compressed file fix
RESOLVE_ALL: search fix
ROUTINE_FILEPATH: added
STREGEX: BOOLEAN fix
WRITEU: SWAP fix

2013-04-26 FL 0.79.23

startup file invocation fix
error reporting: line number fix
CONVERT_COORD: crash on scalar input fix
FILE_SEARCH: FULLY_QUALIFY_PATH added
HELP: RECALL_COMMANDS added
MAKE_ARRAY: crash for struct type fix
PATH_CACHE: (dummy) added
STRTOK: crash fix
WIDGET_INFO: MANAGED added

2013-04-18 FL 0.79.22

command line: filename separator fix
command line history: empty lines fix
dot operator: IDL2 fix
operator overloading: brackets overload added (incomplete)
routine calls: minor keyword passing fix
subscripting: minor fixes
I/O: free format separator fix
CONVOL: 3D and higher added
CONVOL: EDGE_* added
CONVOL: NORMALIZE added
EXPAND_PATH: tilde fix
HASH::_OVERLOADBRACKETSLEFTSIDE: added
HASH::_OVERLOADBRACKETSRIGHTSIDE: added
HELP: LEVEL added
IDL_OBJECT::_OVERLOADBRACKETSLEFTSIDE: added
IDL_OBJECT::_OVERLOADBRACKETSRIGHTSIDE: added
INVERT: single element array fix
LA_INVERT: single element array fix
LIST::_OVERLOADBRACKETSLEFTSIDE: added
LIST::_OVERLOADBRACKETSRIGHTSIDE: added
LOADCT: added
READ_TIFF: warning messages suppressed
RESOLVE_ALL: RESOLVE_* added
SPL_INIT: added
SPL_INTERP: added
TVCRS: y coordinate fix
WHERE: Windows XP/32 crash fix
WIDGET_INFO: dummy SYSTEM_COLORS added
WIDGET_TEXT: callback fix

2013-02-28 FL 0.79.21

command line: -e added
commands: .c and .co fix
commands: filename expansion fix
graphics: crash after TVRD fix
graphics: margin fix
graphics: more Hershey fonts added
graphics: vector font drawing rewritten
graphics: !P.MULTI scaling fix
graphics: [XYZ]STYLE=1 tickmarks fix
graphics: [XYZ]TICKS fix
pointers: routine argument passing fix
pointers: reference count fix
subscripting: compound assignment fix
sysvars: valid names fix
I/O: C printf-style format codes added
I/O: line width with FORMAT fix
FILE_BASENAME: rewritten
FILE_DIRNAME: rewritten
FILE_SEARCH: brace expansion added
FSTAT: filename fix
GETENV: /ENVIRONMENT added
GET_LOGIN_INFO: added
OPENW: tilde expansion fix
RANDOM[UN]: BINOMIAL, GAMMA, LONG, POISSON and ULONG added
RANDOM[UN]: rewritten with MT19937
SPAWN: space in %APPDATA% fix
RETURN: trailing shallow dimensions fix
WIDGET_BUTTON: /PUSHBUTTON fix

2013-01-23 FL 0.79.20

command history: empty line fix
command line: file list parsing fix
format: X code fix
graphics: XWIN linestyle fix
graphics: psym scaling fix
graphics: plot symbols rewritten
idle CPU usage fix
operator overload: all (except subscripting and foreach) added
pointers: reference counting fix
pointers: garbage collection fix
subscripting: array subscript fix
CALL_FUNCTION: crash fix
CALL_PROCEDURE: crash fix
CONTOUR: IRREGULAR added
CONTOUR: OVERPLOT with !P.MULTI fix
CONTOUR: TRIANGULATION added
CONVERT_COORDS: arguments size check fix
DEFSYSV: name check fixes
DEVICE: color fix
FILE_COPY: multiple fixes
FILE_MKDIR: added
FILE_MOVE: multiple fixes
GET_LUN: unit assign fix
MESSAGE: REISSUE_LAST added
MOMENT: NAN fix
OPENW: tilde expansion fix
PLOTS: arguments size check fix
RESOLVE_ROUTINE: /EITHER added
STRCOMPRESS: TAB fix
STRING: width fix
WHERE: NCOMPLEMENT fix
WINDOW: erase fix

2012-12-17 FL 0.79.19

dot operator: structure field access fix
object method search: updated
structures: superclass handling rewritten
subscripting: self assignment fix
FFT: minor fixes
FOREACH: rewritten
HASH::COUNT: return type fix
HELP: OBJECTS added
I/O: CR check fix
IDL_CONTAINER: rewritten
LA_LINEAR_EQUATION: single element matrix fix
LA_LUDC: single element matrix fix
LA_LUMPROVE: single element matrix fix
LIST: rewritten as an IDL_CONTAINER subclass
LIST::COUNT: return type fix
NEWTON: added
OS version info: added

2012-10-09 FL 0.79.18

dot operator: method call added (partial)
dot operator: subscripting fixes
float literals: D in exponent fix
method call: inheritance fix
method call: superclass check fix
objects: automatic OBJECT() constructors added
pointers: reference counting updated
thread pool: rewritten
BREAK: allowed as variable name
CDF_OPEN: READONLY added
CONTINUE: allowed as variable name
FFT: rewritten with multithreading added
FOR: index variable handling rewritten
HASH::WHERE: added
LIST::WHERE: added
MOMENT: NAN fix
SMOOTH: dimensions of size one are ignored
_EXTRA: rewritten

2012-05-16 FL 0.79.17

heap variables: reference counting and garbage collection added
logical not: pointer and object fix
subscripting: negative subscripts and strides added
CD: glob fix
CDF_EPOCH: fix
DEFSYSV: fix
FILEPATH: root dir fix
HASH: added
HELP: /DEVICE PS fix
HISTOGRAM: fix
LIST: added
MAKE_DLL: parameter fix
MOMENT: DOUBLE fix
N_ELEMENTS: null object fix
OBJ_DESTROY: updated
OBJ_NEW: updated
POLYFILL: update rectangle added
PROFILER: sort fix
QHULL: added
TRIANGULATE: added
TRIGRID: added
WHERE: COMPLEMENT fix

2012-01-03 FL 0.79.16

labels: accept CONTINUE and BREAK
ARRAY_EQUAL: NO_TYPECONV added
FOR: loop variable end value fix
HDF_SD_ADDDATA: crash fix
HDF_SD_ATTRSET: string attr fix
KURTOSIS: DIMENSION added
MEAN: DIMENSION added
MEANABSDEV: added
MEDIAN: NAN and DOUBLE fix
MOMENT: DIMENSION, KURTOSIS, MEAN, SKEWNESS and VARIANCE added
SKEWNESS: DIMENSION added
STDDEV: DIMENSION added
STRMATCH: pattern character escaping fix
VARIANCE: added

2011-09-27 FL 0.79.15

HISTOGRAM: byte array fix
MEDIAN: return type fix

2011-08-18 FL 0.79.14

subscripts: array insert fix
MAKE_ARRAY: SIZE fix
MEDIAN: type and EVEN fix
NCDF_VARPUT: OFFSET fix
WHERE: rewritten
WIDGET_TABLE: added

2011-06-24 FL 0.79.13

thread pool: updated

2011-06-15 FL 0.79.12

IDLsysMonitorInfo: updated
WIDGET_INFO: FIND_BY_UNAME fix
WIDGET_INFO: GEOMETRY fix

2011-06-3 FL 0.79.11

GET_KBRD: fix
IDLsysMonitorInfo: added
KEYWORD_SET: empty string arg fix
KEY_SET: empty scalar string fix
OPENR: empty filename fix
OPENU: empty filename fix
OPENW: empty filename fix

2011-05-20 FL 0.79.10

graphics: large part rewritten
HDF_SD_CREATE: arg check fix
NCDF_ATTGET: arg check fix
WRITE_PNG: crash fix

2011-05-10 FL 0.79.9

binary integer constants: added
graphics: !P.MULTI fix
graphics: OMARGIN fix
graphics: PS, SVG set_color fix
graphics: X and PS clipping added
graphics: decomposed color fix
subscripting: allow one element arrays in range limits
widgets: event handling rewritten
widgets: style sheet proof-of-concept added
!DTOR: type fix
!ERROR_STATE: CODE and MSG filled
!RADEG: type fix
ARG_PRESENT: return type fix
ARRAY_INDICES: DIMENSIONS added
ARRAY_INDICES: return type fix
ATAN: PHASE added
CALL_EXTERNAL: added
CASE: one-element array fix
CONTOUR: /NOCLIP added
CONTOUR: 2D x and y data fix
CONTOUR: CELL_FILL, FILL, LEVELS and OVERPLOT added
CONTOUR: OVERPLOT fix
CONTOUR: XTHICK and YTHICK added
CONTOUR: filled contour with CONREC
DEFSYSV: EXISTS fix
DEVICE: GET_PIXEL_DEPTH added
DEVICE: SET_PIXEL_DEPTH added
DIALOG_PICKCOLOR: added
ERRORF: added
EXIT: STATUS added
FILE_*: NOEXPAND_PATH fix
FILE_EXPAND_PATH: fix
FILE_MOVE: file move added
FILE_SAME: added
FIX: /PRINT for strings fix
FLE_SEARCH: /NOSORT added
FLE_SEARCH: sort fix
FSTAT: LONG/LONG64 size fix
F_CDF: fix
F_PDF: fix
GET_SCREEN_SIZE: added
HEAP_FREE: recursive object destruction fix
HELP: FILES added
HELP: assoc variable fix
I/O: X format code fix
IBETA: fix
INDGEN: TYPE and type qualifiers added
LABEL_REGION: /EIGHT added
LEGENDRE: fix
MAKE_ARRAY: SIZE fix
MAKE_ARRAY: structure fix
MAKE_DLL: updated
MEAN: single element array fix
MESSAGE: /RESET fix
MESSAGE: RESET fix
OPENR: NOEXPAND_PATH added
OPENU: NOEXPAND_PATH added
OPENW: NOEXPAND_PATH added
OPLOT: /NOCLIP added
PLOT: /NOCLIP added
POLY_2D: crash fix
RANDOMN: /NORMAL and /UNIFORM added
RANDOMU: /NORMAL and /UNIFORM added
READ_JPEG: COLORS, DITHER and TWO_PASS_QUANTIZE added
RETURN: return value copy fix
SCOPE_VARNAME: LEVEL fix
SET_PLOT: COPY and INTERPOLATE added
SIZE: DIMENSIONS return type fix
SIZE: subscript info fix
STRTOK: crash fix
STRTOK: fix
TV: PS and PDF position fix
TVRD: array dimensions fix
WDELETE: multiple arguments fix
WIDGET_BASE: COLUMN and ROW fix
WIDGET_CONTROL: TLB_SET_XOFFSET, TLB_SET_YOFFSET, TLB_GET_OFFSET and TLB_GET_SIZE added
WIDGET_EVENT: rewritten
XMANAGER: rewritten
XYOUTS: Z added
XYOUTS: negative CHARSIZE fix
Z-buffer device: rewritten

2011-01-31 FL 0.79.8

BESELI: /DOUBLE and return value fix
BESELJ: /DOUBLE and return value fix
BESELK: /DOUBLE and return value fix
BESELY: /DOUBLE and return value fix
BETA: /DOUBLE fix
BYTEORDER: big-endian fix
CHISQR_CVF: /DOUBLE fix
CHISQR_PDF: /DOUBLE fix
COMMON: variable names fix
HELP: print compiled routine names for HELP
IGAMMA: /DOUBLE fix
OPENR: F77_UNFORMATTED added
OPENU: F77_UNFORMATTED added
OPENW: F77_UNFORMATTED added
OPLOT: MIN_VALUE and MAX_VALUE added
PLOT: MIN_VALUE and MAX_VALUE added
PRINT: $() compatibility fix
PRINTF: $() compatibility fix
ROUTINE_INFO: /SOURCE fix
TOTAL: /NAN, /COUNT fix
T_CVF: /DOUBLE fix
T_PDF: /DOUBLE fix
XYOUTS: array input fix

2010-12-13 FL 0.79.7

CURSOR: button press fix
SPAWN: empty lines in output fixed
USERSYM: added
WAIT: zero sec fix

2010-10-11 FL 0.79.6

&& and ||: result type fix
BETA: DOUBLE fix
DEFSYSV: EXISTS fix
EXECUTE: error handling fix
FILE_EXPAND_PATH: array input fix
FILE_INFO: array input fix
HELP: NAME added
HELP: fix for recursive routines
IBETA: DOUBLE fix
KEYWORD_SET: return type fix
PRODUCT: INTEGER fix
SCOPE_VARNAME: fix
STRMID: LENGTH fix
TOTAL: INTEGER fix
TVRD: window size fix
WHERE: COMPLEMENT fix
XMANAGER: CATCH added

2010-03-18 FL 0.79.5

$ command: output fix
graphics: rewritten with Qt
widgets: rewritten with Qt
BYTEORDER: fix
CATCH: crash on multiple cancels fix
COLOR_CONVERT: added
COMPLEX: offset fix
DCOMPLEX: offset fix
DEVICE: COPY fix
DIALOG_PICKFONT: added
FILE_SEARCH: EXPAND_TILDE, MATCH_ALL_INITIAL_DOT, MATCH_INITIAL_DOT and MARK_DIRECTORY added
FILE_SEARCH: no input parameter fix
HELP: <PtrHeapVar*> instead of <expr>
HELP: replace tab with spaces in output
PLOTS: input fix
PRINT: empty format fix
PRINTF: empty format fix
READS: non-string input fix
SPAWN: output fix
STRMID: /REVERSE_OFFSET fix
STRPOS: /REVERSE_OFFSET fix
SYSTIME: /JULIAN /UTC fix
XREGISTERED: added

2009-09-03 FL 0.79a

keywords with non-zero default value fix

2009-08-28 FL 0.79

integer limit check fix
logical not: string operand fix
unary '-': string operand fix
I/O: format fixes
I/O: B format code added
COPY_LUN: added
CREATE_STRUCT: tag name check fix
FILE_EXPAND_PATH: added
HELP: /DEVICE added
IDL_VALIDNAME: fix
MAKE_ARRAY: object array fix
NCDF_ATTCOPY: return value fix
OBJ_HASMETHOD: added
PLOTS: coord. system setup fix
STRMID: REVERSE_OFFSET fix
T3D: OBLIQUE, PERSPECTIVE, XYEXCH, XZEXCH and YZEXCH added
TRUNCATE_LUN: added
WIDGET_BASE: TITLE added
WIDGET_DRAW: fix
WRITE_TIFF: YRESOL fix

2009-08-04 FL 0.78

scalar subscripting fixes
I/O: zero-padding fix
!PATH handling (compatibility) fix
_STRICT_EXTRA fix
INTERPOLATE: CUBIC fix
INTERPOLATE: threads added
HELP: BRIEF and FULL added
IDL_CONTAINER object: added
IDL_CONTAINER::ADD: added
IDL_CONTAINER::CLEANUP: added
IDL_CONTAINER::GET: added
IDL_CONTAINER::INIT: added
IDL_CONTAINER::ISCONTAINED: added
IDL_CONTAINER::MOVE: added
IDL_CONTAINER::REMOVE: added
NCDF_VARINQ: datatype fix
OBJ_DESTROY: array input fix
POLY_2D: CUBIC added
POLY_2D: threads added
REBIN: crash fix
SCOPE_TRACEBACK: /STRUCT fix
SHIFT: single element array fix
STRSPLIT: COUNT, LENGTH and PRESERVE_NULL added
STRUCT_ASSIGN: single element array fix
STRUCT_HIDE: added
VALUE_LOCATE: threads added

2009-07-07 FL 0.77

HELP: /STRUCT fix
NCDF_ATTCOPY: added
NCDF_ATTDEL: added
NCDF_ATTGET: added
NCDF_ATTINQ: added
NCDF_ATTNAME: added
NCDF_ATTPUT: added
NCDF_ATTRENAME: added
NCDF_CLOSE: added
NCDF_CONTROL: added
NCDF_CREATE: added
NCDF_DIMDEF: added
NCDF_DIMID: added
NCDF_DIMINQ: added
NCDF_DIMRENAME: added
NCDF_EXISTS: added
NCDF_INQUIRE: added
NCDF_OPEN: added
NCDF_VARDEF: added
NCDF_VARGET1: added
NCDF_VARGET: added
NCDF_VARID: added
NCDF_VARINQ: added
NCDF_VARPUT: added
NCDF_VARRENAME: added

2009-06-10 FL 0.76

I/O: printing strings with I,F format codes fix
ON_IOERROR: handle conversion errors
DEVICE: GET_WINDOW_POSITION added
DIALOG_MESSAGE: added
HDF_EXISTS: added
HDF_IDL2HDFTYPE: added
HDF_ISHDF: added
HDF_LIB_INFO: added
HDF_SD_ADDDATA: added
HDF_SD_ATTRFIND: added
HDF_SD_ATTRINFO: added
HDF_SD_ATTRSET: added
HDF_SD_CREATE: added
HDF_SD_DIMGET: added
HDF_SD_DIMGETID: added
HDF_SD_DIMSET: added
HDF_SD_ENDACCESS: added
HDF_SD_END: added
HDF_SD_FILEINFO: added
HDF_SD_GETDATA: added
HDF_SD_GETINFO: added
HDF_SD_IDTOREF: added
HDF_SD_ISCOORDVAR: added
HDF_SD_NAMETOINDEX: added
HDF_SD_REFTOINDEX: added
HDF_SD_SELECT: added
HDF_SD_SETCOMPRESS: added
HDF_SD_SETEXTFILE: added
HDF_SD_SETINFO: added
HDF_SD_START: added
IDL_VALIDNAME: added
SKIP_LUN: added

2009-03-02 FL 0.75

Mac OS X x86 port
expiration time removed

2009-02-10 FL 0.74

reserved words fix
structures in structures fix
variable subscripting / function call ambiguity fix
CDF_ATTCREATE: added
CDF_ATTDELETE: added
CDF_ATTEXISTS: added
CDF_ATTGET: added
CDF_ATTINQ: added
CDF_ATTNUM: added
CDF_ATTPUT: added
CDF_ATTRENAME: added
CDF_CLOSE: added
CDF_COMPRESSION: added
CDF_CONTROL: added
CDF_CREATE: added
CDF_DELETE: added
CDF_DOC: added
CDF_ENCODE_EPOCH16: added
CDF_ENCODE_EPOCH: added
CDF_EPOCH16: added
CDF_EPOCH: added
CDF_EPOCH_COMPARE: added
CDF_EPOCH_DIFF: added
CDF_ERROR: added
CDF_EXISTS: added
CDF_INQUIRE: added
CDFLIB: added
CDFLIB_H.PL
CDF_LIB_INFO: added
CDF_OPEN: added
CDF_PARSE_EPOCH16: added
CDF_PARSE_EPOCH: added
CDF_SET_CDF27_BACKWARD_COMPATIBLE: added
CDF_VARCREATE: added
CDF_VARDELETE: added
CDF_VARGET1: added
CDF_VARGET: added
CDF_VARINQ: added
CDF_VARNUM: added
WHERE: allow non-numeric types

2008-12-17 FL 0.73

error message printing fix
I/O: end of input detection fix
subscripting fixes
BYTEORDER: SWAP_IF_BIG_ENDIAN, SWAP_IF_LITTLE_ENDIAN added
BYTEORDER: HTONL, HTONS, NTOHL, NTOHS added
CHOLDC: added (wrapper for LA_CHOLDC)
CHOLSOL: added (wrapper for LA_CHOLSOL)
COMPLEX: crash fix
CONTOUR: ZVALUE fix
DCOMPLEX: crash fix
DETERM: added (alias for LA_DETERM)
ELMHES: added (wrapper for LA_ELMHES)
FINITE: fix for huge double numbers
HELP: aliases marked in /LIB
HELP: variable listing fix
HQR: added (alias for LA_HQR)
LA_CHOLDC: rewritten
LA_CHOLMPROVE: added
LA_CHOLSOL: added
LA_DETERM: rewritten
LA_EIGENPROBLEM: rewritten
LA_EIGENQL: added
LA_EIGENVEC: added
LA_ELMHES: added
LA_GM_LINEAR_MODEL: added
LA_HQR: added
LA_INVERT: rewritten
LA_LEAST_SQUARE_EQUALITY: added
LA_LEAST_SQUARES: added
LA_LINEAR_EQUATION: rewritten
LA_LUDC: rewritten
LA_LUMPROVE: added
LA_LUSOL: rewritten
LA_SVD: rewritten
LA_TRIDC: added
LA_TRIMPROVE: added
LA_TRIQL: added
LA_TRIRED: added
LA_TRISOL: added
LUDC: added (alias for LA_LUDC)
LUMPROVE: added (alias for LA_LUMPROVE)
LUSOL: added (alias for LA_LUSOL)
RANDOMN: /DOUBLE added
RANDOMU: /DOUBLE added
SCOPE_VARNAME: COUNT fix
SVDC: added (alias for LA_SVD)
SVSOL: added
TRIQL: added (wrapper for LA_TRIQL)
TRIRED: added (wrapper for LA_TRIRED)
TRISOL: added

2008-09-09 FL 0.72

fix crash if X11 display can not be opened
JOURNAL: missing comment characters fix
32 bit DLM creation on 64 bit system fix
do RETALL before recompiling active routine
I/O: trailing spaces fix
I/O: sign printing for Inf fix
CPU: fix recently introduced bug
SUN Solaris/x86 port
SUN Solaris/amd64 port
SUN Solaris/SPARC port
SUN Solaris/SPARC64 port

2008-08-08 FL 0.71

DLM support added
MAKE_DLL: added
object CLEANUP method call fix
OBJ_NEW: keywords fix
OBJ_DESTROY: keywords fix
STDDEV: fix missing square root
HEAP_GC: rewritten
READ_TIFF: IMAGE_INDEX added
ROUTINE_INFO: SOURCE fix
WINDOW: erase on resize fix

2008-05-19 FL 0.70o

breakpoint handling fix for Windows
LABEL_REGION: crash fix (out of stack memory)

2008-05-16 FL 0.70n

breakpoint handling fix
graphics: SYMSIZE fix
run startup file after reset
structure array subscripting fix
GUI output: missing newlines fixed
GET_KBRD added
JOURNAL: missing newlines fixed
LABEL_REGION added
MEAN: fix

2008-03-28 FL 0.70m

matrix mul fix
struct array subscripting fix
unary +/ - precedence fix
last error message fix
MIN/MAX: multithreaded
SINDGEN: fix in 64 bit version
TV/TVSCL: accept 1D array
TV/TVSCL: CHANNEL added
TVRD: CHANNEL added

2007-12-27 FL 0.70l

SSE2 integer ops instead of MMX
MIN/MAX: DIMENSION added
MIN/MAX: !C filled

2007-11-12 FL 0.70k

fix graphics crash introduced in 0.70j :-(

2007-10-31 FL 0.70j

EQ/NE: fix for 64 integers, complex and structures
TV/TVSCL: position index added
subscripting fix
various fixes for the 64 bit version

2007-10-16 FL 0.70i

EQ op: empty string is equal to zero
graphics: do not report undefined keyword values
I/O functions: TRANSFER_COUNT added
superclass method call fix
DEVICE: WINDOW_STATE added
FSTAT: CUR_PTR filled
FSTAT: TRANSFER_COUNT filled
TAG_NAMES: return empty string for anon structure name

2007-09-30 FL 0.70h

_EXTRA and _REF_EXTRA: fix
functions: return 0 at end
objref comparison fix
structure assignment fix
subscripting fixes
typename OBJECT replaced by OBJREF
CATCH: fix
CREATE_STRUCTURE: fix
HEAP_FREE: fix
HEAP_GC: fix
N_TAGS: accept undefined input
PTR_VALID: fix
OBJ_DESTROY: fix
OBJ_VALID: fix
READS: accept array input
SCOPE_VARFETCH: fix
SIZE: report structures as arrays
XYOUTS: WIDTH added

2007-09-13 FL 0.70g

':' format fix
subscripting fixes
structure concatenation fix
FILE_SEARCH: fix
POINT_LUN: fix for compressed input file
REPLICATE_INPLACE: scalar and string input

2007-09-05 FL 0.70f

string array expressions fix
ROUTINE_INFO: fix
I/O: extra newline fix

2007-08-31 FL 0.70e

keyword handling fix
object creation fix
structure initialization fix
system variables: no compile-time check
CHECK_MATH: silently ignore arguments
EXECUTE: variable lookup fix
EXPAND_PATH: handle empty and non-existent dirs
HELP: CALLS added
N_PARAMS: do not count self
N_PARAMS: silently ignore arguments
N_TAGS: fix
OBJARR: initialization fix
OBJ_CLASS: fix
OBJ_VALID: fix
PTR_VALID: fix
REFORM: fix for structures
RESOLVE_ALL: fix
SORT: fix for strings
STRCOMPRESS: fix
TAG_NAMES: fix

2007-08-16 FL 0.70d

string comparison fix
subscripting fixes
automatic compilation fix
empty strings are converted to zero
graphics: NULL device added
IDL_PATH and IDL_STARTUP read on startup
!IDENTIFIER accepted as struct or tag name
DEFSYSV: fix
DEVICE: GET_SCREEN_SIZE added
FILE_CHMOD: added
FILE_DELETE: added (for files only)
FILE_TEST: added
FINDFILE: added (alias for FILE_SEARCH)
HEAP_FREE: added
HEAP_GC: added
HELP: HEAP_VARIABLES added
N_TAGS: array accepted
OPENU/OPENW: APPEND added
PTR_NEW: fix
RANDOMN: no 0 or 1 result
REFORM: dimension fix
ROUTINE_NAMES: added
SPAWN: fix
STREGEX: empty substring fix
STRMID: empty substring fix
TAG_NAMES: array accepted

2007-07-13 FL 0.70c

minimum and maximum operator fix
MMX 16 bit signed integer fix
array subscripting fix
OPENU/OPENW: WIDTH keyword added
TOTAL: /NaN fix

2007-07-04 FL 0.70b

subscripting bug fixes
STOP fix
SYSTIME second argument added
WHERE complement fix
.SKIP and .CONTINUE fix

2007-06-15 FL 0.70a

DFL bug fix

2007-06-14 FL 0.70

Distributed FL
subscripting bug fixes
DIV to MUL conversion fix
Ctrl-C user interrupt
Nan and Inf print fixes

2007-04-27 FL 0.61

OBJ_DESTROY: arrays accepted
HELP: crash on invalid objexts fix
many small fixes

2007-01-08 FL 0.60m

SQRT: speedup
FFT: crash fix
ERASE: color fix
graphics: tickmarks fix
graphics: erase for Z added
JOURNAL: GUI mode output fix
delayed X open display
bitwise AND and OR for strings

2006-11-23 FL 0.60l

subscripting fixes
concatenation fix
byte array to string conversion fix
_EXTRA priority fix
BYTSCL fix
CURSOR: wait condition fix
DEVICE: COPY added (X only)
DEVICE: GET_VISUAL_DEPTH, GET_VISUAL_NAME added
DEVICE: [GS]ET_GRAPHICS_FUNCTION added (X only)
FILE_SEARCH: COUNT added
graphics: CHARSIZE fix
graphics: TICKFORMAT (format only) added
graphics: TICKLEN, GRIDSTYLE added
graphics: TICKS, TICKV, TICKNAME added
graphics: better linestyle for X, WIN
MEDIAN: return scalar if no size is given
PLOTS: PSYM added
RANDOMU/N: return scalar if no array dimensions are given
TV, TVSCL: /NORMAL fix
WINDOW: positioning fix
WINDOW: PIXMAP added (X only)
WINDOW: TITLE added

2006-10-19 FL 0.60k

FRRE_LUN for closed file fix
TV for huge images fix
recursion for + in !PATH fix
2 digit exponnet for float on Windows fix
command line .pro files fix

2006-08-31 FL 0.60j

new sysfun: CONVERT_COORD
string array comparison fix
array subscript fix
structure indexing fix
power (x^0) fix
graphics: descending range fix
format: I0 fix
BYTE fix
BYTSCL fix
INTERPOLATE: trilinear added
CONVOL, SMOOTH: integer overflow fix
REBIN: interpolation added
TV, TVSCL: ignore extra dimensions of size 1
XYOUTS: alignment added
XYOUTS: convert non-string to string
!X[YZ].CRANGE fix
!X[YZ].S fix

2006-08-21 FL 0.60i

new sysfun: COMMAND_LINE_ARGS
new sysfun: DIAG_MATRIX
new sysfun: FILE_LINES
new sysfun: INTERPOLATE
new sysfun: POLY_2D
new sysfun: ROBERTS
new sysfun: SOBEL
new sysfun: VALUE_LOCATE
new syspro: SPAWN
MEDIAN: 2D added
TVSCL: divide by zero fixed
last element operator fix

2006-08-03 FL 0.60h

include INF checks for /NAN
power fix
NAN/INF test for complex numbers fix
SMOOTH: /NAN, /EDGE added
.RESET_SESSION added

2006-07-19 FL 0.60g

HISTOGRAM: range check fix
HISTOGRAM: nbins=1 crash fix
power: negativ exponent fix
WINDOW: /free added
PLOT/OPLOT: NAN check added
OPLOT: same PSYMS as for PLOT

2006-07-16 FL 0.60f

range subscript fix
HISTOGRAM: fix value to bin calculation
SORT: fix bug when result is equal to input

2006-07-13 FL 0.60e

main widget close fix
session close fix
GUI input 100% CPU usage fix

2006-06-28 FL 0.60d

multiline string
keyword check for system routines at compile time
negative PSYM values added
END type check disabled

2006-04-24 FL 0.60c

ERROR keyword for OPEN

2006-04-10 FL 0.60b

window backing store
LA_INVERT fix
INVERT status fix

2006-04-06 FL 0.60a

struct field access memory leak fix
file_search tests
'+' modifier in !PATH (and path cache)
A0 format fix

2006-03-31 FL 0.6