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E2Pdf – Export Pdf Tool for WordPress / 1.32.53
E2Pdf – Export Pdf Tool for WordPress v1.32.53
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e2pdf / vendors / svggraph / CHANGES.txt

CHANGES.txt in E2Pdf – Export Pdf Tool for WordPress 1.32.53, at vendors/svggraph/CHANGES.txt

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1 Version 3.20 (24/04/2023)
2 ------------
3 - Added support for curved best-fit lines.
4 - Added support for CSS units in font sizes and line spacing.
5
6 Version 3.19 (10/01/2023)
7 ------------
8 - Added ParetoChart.
9 - Added fill_under "full" option to always fill to bottom of grid.
10 - Updated code to work properly under PHP 8.2.
11
12 Version 3.18 (02/12/2022)
13 ------------
14 - Added shading of flat 3D pie graph sides.
15 - Added support for colouring data labels using "fill" and "fillColour".
16 - Fixed axis_text structure option on multi-dataset graphs.
17 - Fixed explode "all" doing nothing on pie graphs with all values equal.
18
19 Version 3.17 (16/09/2022)
20 ------------
21 - Added axis_tightness_x option for removing space at ends of X-axis.
22 - Added data_label_align option for label text alignment.
23 - Added tooltip_align option for tooltip text alignment.
24 - Fixed missing final bar when using axis_ticks_x with bar graphs.
25 - Fixed data labels from structured data not showing when filter set to "none".
26
27 Version 3.16 (29/07/2022)
28 ------------
29 - Added support for multiple task bars/milestones on Gantt chart rows.
30 - Added axis_double_x and axis_double_y options for same axis both sides.
31 - Added axis_pad_* options for adding space between axes and grid.
32 - Added axis_extend_* options for extending ends of axes.
33 - Fixed axis with levels on right side of horizontal graph.
34
35 Version 3.15 (16/06/2022)
36 ------------
37 - Added dependency arrow support to Gantt charts.
38 - Added gantt_units option for tasks in hours and minutes.
39 - Added grid_clip_overlap_* options for adjusting line graph clipping.
40
41 Version 3.14 (02/05/2022)
42 ------------
43 - Added Gantt chart.
44 - Added automatic graph height option.
45 - Added support for best-fit lines on bar and line graphs.
46 - Added support for using coordinates for legend position.
47 - Added block_position_markers option.
48
49 Version 3.13.1 (11/03/2022)
50 --------------
51 - Fixed deprecation warning messages displayed by PHP 8.1.
52 - Fixed problem with file encoding of Text class.
53 - Improved accuracy of HSL to RGB conversion.
54
55 Version 3.13 (14/02/2022)
56 ------------
57 - Added curved line graph support with line_curve option.
58 - Added horizontal 3D bar graph.
59 - Added horizontal grouped 3D bar graph.
60 - Added horizontal stacked 3D bar graph.
61 - Added line_bar option for setting marker positions on bar and line graphs.
62 - Cylinder graphs now support bar_top_overlay_* options.
63 - Made conversion of multi-dataset data to structured more robust.
64
65 Version 3.12 (10/12/2021)
66 ------------
67 - Added exploded semi-donut graph.
68 - Added 3D donut graph.
69 - Added 3D semi-donut graph.
70 - Added exploded 3D donut graph.
71 - Added exploded 3D semi-donut graph.
72 - Added candlestick graph.
73 - Added log_axis_x and log_axis_x_base options with logarithmic X-axis support.
74
75 Version 3.11 (18/11/2021)
76 ------------
77 - Added exploded donut graph.
78 - Added donut_slice_gap option.
79 - Fixed problem in datetime axis labelling around DST changes.
80 - Fixed incorrect shape sizes on datetime graph around DST changes.
81 - Fixed positioning of axis labels on datetime bar graphs.
82
83 Version 3.10 (19/07/2021)
84 ------------
85 - Added support for using text as a shape or figure.
86 - Fixed angled axis text being badly placed with new limit_text_angle option.
87 - Fixed guidelines not showing on date/time graphs.
88 - Fixed some missing date/time tokens in crosshair text.
89 - Fixed histograms not supporting non-integer values.
90 - Fixed polar area graphs drawing incorrectly with date/time keys.
91
92 Version 3.9 (24/05/2021)
93 -----------
94 - Added support for linking legend entries and title.
95 - Added axis_ticks_x and axis_ticks_y options for specific tick marks.
96 - Added legend_autohide_opacity option.
97 - Added autohide and autohide_opacity options for shapes.
98 - Added grid stroke width options.
99
100 Version 3.8 (23/02/2021)
101 -----------
102 - Added SteppedLineGraph and MultiSteppedLineGraph graph types.
103 - Added force_block_label_x option.
104 - Added axis_zero_y option.
105 - Added data_label_opacity option.
106 - Added various line spacing options.
107 - Added localization of date strings.
108 - Improved timezone support for date/time values.
109 - Fixed axis label position on graphs with negative values.
110 - Fixed date conversion problems in guideline positions.
111 - Fixed empty legend entry on multi-line graphs with single point in dataset.
112
113 Version 3.7 (27/11/2020)
114 -----------
115 - Added options for displaying mean average lines.
116 - Added background shadow support.
117 - Added graph subtitle options.
118 - Added alternative Y-axis fitting algorithm with axis_tightness_y option.
119 - Updated axis_label_position options to support aligning text with axis ends.
120 - Updated colourRangeHex functions to support more colour options.
121
122 Version 3.6 (19/06/2020)
123 -----------
124 - Added support for multi-level axis division labels.
125 - Added axis_font_weight option and its horizontal and vertical options.
126 - Added axis_text_back_colour option and horizontal, vertical options.
127 - Fixed display of axis lines when using a gradient.
128 - Fixed crosshairs not hiding when cursor leaves grid.
129 - Fixed link_target and link_base options not working.
130
131 Version 3.5 (07/03/2020)
132 -----------
133 - Added support for saturation, brightness and hue colour filters.
134 - Added support for using fill colour or style in best-fit lines.
135 - Added support for using fill colour or style in box and whisker median line.
136 - Added support for using gradients in patterns.
137 - Added legend_unique_fields option for preventing duplicate legend text.
138 - Added legend_entries option callback for more control over legend entries.
139
140 Version 3.4 (20/12/2019)
141 -----------
142 - Added SVG filter based shadows and options for adjusting them.
143 - Added legend spacing and padding options.
144 - Added support for stroking graph, tooltip, legend and label lines using
145 gradients and patterns.
146 - Added support for stroking graph lines using fill colour or fill style.
147 - Added support for filling markers with gradients and patterns.
148 - Added support for displaying gradients in radar graph grid stripes.
149 - Added simple Javascript minifier function.
150 - Fixed 3D bar graphs having spiky corners at the top.
151 - Fixed histogram X-axis being truncated.
152 - Fixed 3D pie graph side shading drawing over edges.
153 - Fixed lousy axis top end calculation when non-zero bottom end specified.
154 - Fixed legend entries not showing for floating graph bars starting at zero.
155
156 Version 3.3 (22/11/2019)
157 -----------
158 - Added ArrayGraph type for simple multiple-graph documents.
159 - Added dataset option support to all graph types.
160 - Added bar_round option for rounded corners on bar graphs.
161 - Added median_colour and median_dash options for box and whisker graphs.
162
163 Version 3.2 (26/09/2019)
164 -----------
165 - Added axis_label_position options.
166 - Added legend_order option.
167 - Added axis_fallback_max option for better handling of all-zero value graphs.
168 - Added dataset option for choosing dataset for pie graphs to draw.
169 - Fixed legend display for stacked bar and line graphs and population pyramid.
170 - Fixed legend display for multi-dataset graphs starting with 0 values.
171 - Fixed magnification of tooltips in subgraphs.
172 - Fixed incorrect position of crosshairs when magnification enabled.
173 - Fixed axis text when using force_assoc and value with a key of 0.
174 - Fixed overlapped tooltips from internal edges of 3D polar area graphs.
175
176 Version 3.1 (02/08/2019)
177 -----------
178 - Added subgraph support.
179 - Added magnifier options.
180 - Added support for using figures as patterns.
181
182 Version 3.0.1 (14/06/2019)
183 -------------
184 - Added text formatting classes to prevent localised numbers in SVG attributes.
185 - Fixed data label click show and fade on pages with multiple graphs.
186
187 Version 3.0 (14/03/2019)
188 -----------
189 - All classes are now in Goat1000\SVGGraph\ namespace.
190 - PSR-4 autoloader required for loading class files.
191 - Added autoloader.php for anyone not using a framework with PSR-4 autoloader.
192 - Values, colours and links must now be set using functions, not directly.
193 - Added EmptyGraph type for using shapes and labels without data.
194 - Added use_iconv and use_mbstring options.
195 - Added line_breaks option for line graphs.
196 - Split redundant code out into traits.
197 - Removed compat_events code and option.
198 - Fixed tooltips going off edge of small graphs on same page as larger graphs.
199 - Fixed auto tail length for custom labels.
200 - Fixed edge shading on 3D polar area graphs.
201
202 Version 2.30 (04/01/2019)
203 ------------
204 - Added "image" shape support.
205 - Added "marker" shape support.
206 - Added "figure" option for creating predefined shapes.
207 - Added "figure" shape support.
208 - Added "figure" marker support.
209 - Improved axis label positioning.
210
211 Version 2.29 (09/10/2018)
212 ------------
213 - Added context menu options.
214 - Added "box" division and subdivision style.
215 - Added axis_text_location option for text position on graphs with negative
216 values.
217 - Moved axis measurement and drawing out of GridGraph and subclasses into new
218 DisplayAxis classes.
219 - Replaced GetFirst() and ArrayOption() functions with GetOption().
220
221 Version 2.28 (23/07/2018)
222 ------------
223 - Added text measurement class using font metrics and/or character widths.
224
225 Version 2.27 (28/03/2018)
226 ------------
227 - Added support for multiple Y-axes using dataset_axis option.
228 - Added support for best-fit lines on bubble graphs.
229 - Added line_figure and line_figure_closed options for drawing shapes on line
230 graphs.
231 - Fixed crosshairs being left behind when cursor moved out of document.
232 - Fixed broken bars when all values in stacked grouped 3D bar and cylinder
233 graphs negative.
234
235 Version 2.26 (10/01/2018)
236 ------------
237 - Added "auto" option for data label tail length.
238 - Added data_label_same_size option for more consistent labels.
239 - Setting data_label_round for line or plain labels now uses a circular
240 bounding box.
241 - Added circle, square, linecircle, linebox, linesquare and line2 label styles.
242 - Added tail end options for new label styles.
243 - Added no_tspan option for compatibility with renderers that don't support
244 tspan elements fully.
245
246 Version 2.25 (12/10/2017)
247 ------------
248 - Added 3D polar area graph.
249 - Added 3D exploded pie graph.
250 - Added support for datetime keys in shapes and labels.
251 - 3D pie graph sides are now drawn correctly when end_angle used.
252 - Improved PHP7 compatibility.
253 - Moved guideline code into separate file.
254 - Fixed display of semi-donut graph when there is a single value.
255 - Fixed display of multi-line axis text on horizontal graphs.
256 - Fixed multi-line text alignment when minifying is disabled.
257 - Fixed legend_show_empty behaviour inconsistencies.
258 - Fixed incorrect legend size when containing numeric strings.
259 - Fixed missing bar tops on stacked grouped 3D bar graphs.
260
261 Version 2.24.1 (21/08/2017)
262 --------------
263 - Added stacked bar and line graph.
264 - 0 values are now labelled on bar graphs.
265 - Added "nonzero" data label filter to disable showing 0 value labels.
266 - Added support for associative and datetime keys in X-axis guidelines.
267 - Fixed axis text callback passing floating point values instead of integers
268 for array keys.
269
270 Version 2.24 (31/01/2017)
271 ------------
272 - Added semi-donut graph.
273 - Added associative and datetime key support to shapes, labels and crosshairs.
274 - Added end_angle and slice_fit options for drawing partial pie graphs.
275 - Added keep_colour_order option for simpler pie graph slice colouring.
276 - Added marker_opacity and marker_angle options.
277 - Added custom marker support.
278 - Made FetchJavascript work when called statically.
279 - Fixed minify_js option to support anonymous callback functions.
280 - Fixed error when array of guidelines contains a single guideline array.
281 - Fixed bar_total_outline_colour option on horizontal stacked graphs.
282 - Fixed javascript error in legend_autohide.
283 - Fixed legend order for graphs with multiple datasets starting at different
284 key values.
285 - Improved positioning of exploded pie slices.
286
287 Version 2.23.1 (03/08/2016)
288 --------------
289 - Added datetime_key_format option.
290 - Fixed per-dataset stroke_width with a 0 value.
291 - Fixed default structure missing values with string keys when main key is 0.
292 - Fixed error when using datetime keys with multiple unstructured datasets.
293 - Fixed legend autohide not working when no other Javascript options enabled.
294 - Fixed error in radar graphs when given some dual-Y axis settings.
295
296 Version 2.23 (22/06/2016)
297 ------------
298 - Added date/time axis.
299 - Added callback function support to logarithmic axis.
300 - Added exception_throw option to disable catching exceptions.
301 - Fixed axis callback functions not working with associative data.
302 - Fixed legend display for line graphs when marker size is 0.
303
304 Version 2.22 (05/05/2016)
305 ------------
306 - Added support for legend entries from structured data.
307 - Added show_legend option (default true) for disabling legend.
308 - Added support for multiple lines of text in legend entries and title.
309 - Added support for using coordinates from second Y-axis in shapes and labels.
310 - Fixed hex and decimal entities being escaped in text.
311
312 Version 2.21 (17/03/2016)
313 ------------
314 - Added best-fit line support to line graphs.
315 - Added best_fit_range option for limiting best-fit line.
316 - Added best_fit_project options for projecting beyond best-fit range.
317 - Merged code to allow repeated keys in pie graphs.
318 - Fixed displaying image markers with absolute links.
319 - Fixed minimum fallback bar width to 1 pixel.
320
321 Version 2.20.1 (19/01/2016)
322 --------------
323 - Added bar_width_min option.
324 - Added clip_to_grid option for shapes.
325 - Fixed shape units calculations when axes not starting in bottom left.
326 - Fixed error when gradient array contains a single colour.
327
328 Version 2.20 (05/12/2015)
329 ------------
330 - Added stacked grouped 3D bar graph and stacked grouped cylinder graph.
331 - Added shape options.
332 - Added custom label options.
333 - Added svg_class option.
334 - Added grid_back_opacity and grid_back_stripe_opacity options.
335 - Added multiple colour stripe support to grid_back_stripe_colour option.
336 - Added gradient stop support to gradients.
337 - Added radial gradient support for radar graph backgrounds.
338 - Fixed pattern definitions not being reused.
339 - Fixed javascript crosshair coordinates jumping around.
340 - Fixed problems with autoloading graph classes.
341
342 Version 2.19.1 (21/08/2015)
343 --------------
344 - Added bar_total_callback option.
345 - Fixed stacked grouped bar graph height calculations.
346 - Fixed structured_data to disabled structure when set to FALSE.
347
348 Version 2.19 (17/07/2015)
349 ------------
350 - Added histogram.
351 - Added shading overlay for 3D bar sides and top.
352 - Added best_fit_opacity and best_fit_above options.
353 - Added semantic class for best fit lines.
354 - Added tooltip and data label callback options.
355 - Added data_label_min_space option.
356
357 Version 2.18 (03/04/2015)
358 ------------
359 - Added bar and line graph.
360 - Added data label options for all graph types.
361 - Added semantic_classes option.
362 - Added axis text callback options.
363 - Added detection of mbstring extension. If not available, fall back to basic
364 string functions.
365 - Added check for too many divisions being created.
366 - Fixed broken axis_right option on some multi-dataset graphs.
367 - Fixed legend dragging.
368 - Fixed divide by zero error in colour range function.
369
370 Version 2.17 (27/11/2014)
371 ------------
372 - Added fixed axis positioning options.
373 - Added colour range and set functions.
374 - Added auto_fit option and resizing support.
375 - Fixed crosshairs bugs when embedded in HTML.
376
377 Version 2.16 (24/09/2014)
378 ------------
379 - Added stacked grouped bar graph.
380 - Added image markers support.
381 - Added skewing of 3D bar side and top.
382 - Added support for fixed bar width.
383 - Added option to set the number of decimal digits shown on axis text.
384 - Added opacity value support for graph background colour.
385 - Added exception details option for debugging.
386 - Replaced all @ error handlers with tests for problem values.
387 - Fixed escaping of text.
388 - Fixed blank lines in multi-line text being ignored.
389 - Fixed rendering of graphs with a single value.
390
391 Version 2.15.1 (12/05/2014)
392 --------------
393 - Added crosshair options.
394 - Fixed X axis being incorrectly labelled when using large associative dataset.
395
396 Version 2.15 (11/03/2014)
397 ------------
398 - Added donut graph.
399 - Added polar area graph.
400 - Added exploded pie graph.
401 - Added support for dual Y axes.
402 - Fixed legend dragging when embedded in HTML.
403
404 Version 2.14 (05/10/2013)
405 ------------
406 - Added pattern fill support.
407 - Added total labels for stacked bar graphs.
408 - Better validation of structured data.
409 - Better handling of non-ASCII strings.
410 - Replaced rgba() values with opacity attributes.
411 - Fixed compatibility with PHP 5.1.x.
412 - Fixed drawing of pie graphs containing relatively small values.
413 - Fixed X axis calculations for negative or non-integral values.
414 - Fixed structured axis_text when units_label or units_before_label used.
415 - Fixed position of labels on stacked bar graphs with negative values.
416 - Fixed legend entries skipping NULL or 0 values.
417
418 Version 2.13 (31/07/2013)
419 ------------
420 - Added PopulationPyramid graph.
421 - Added units_before_x and units_before_y options for axis text.
422 - Added units_label and units_before_label options for pie/bar labels.
423 - Added units_tooltip, units_before_tooltip, units_tooltip_key and
424 units_before_tooltip_key options for tooltip values.
425 - Added stroke_dash, minify and minify_js options.
426 - Added structured data options: marker_type, marker_size, marker_stroke_width,
427 marker_stroke_colour, stroke_colour, stroke_width and stroke_dash.
428 - Fixed display of character entities in tooltips.
429 - Fixed measurement of text containing character entities.
430 - Fixed dragging of legend over pie graphs.
431
432 Version 2.12 (18/05/2013)
433 ------------
434 - Added log_axis_y and log_axis_y_base options.
435 - Added decimal and thousands options for number formatting.
436 - Added grid_back_stripe and grid_back_stripe_colour options.
437 - Added per-axis font options.
438 - Added units_x and units_y options for axis text.
439 - Added show_label_key option for pie graphs.
440 - 3D pie graphs now calculate a depth when the setting is too great.
441 - Fixed structure option to take precedence over scatter_2d option.
442 - Fixed display of small numbers on axes.
443 - Added workaround for Safari 6 <use/> bug.
444
445 Version 2.11 (12/03/2013)
446 ------------
447 - Added stacked and grouped cylinder graphs.
448 - Added structured data support.
449 - Added normal and horizontal floating bar graphs.
450 - Added bubble graph.
451 - Added box and whisker graph.
452 - Added back_round_clip option.
453 - Added reverse option for radar graphs.
454 - Added support for negative values on radar graphs.
455 - Added support for multi-line tooltips.
456 - Fixed drawing of axes when all values negative.
457 - Fixed svg node in namespaced XHTML.
458 - Improved performance.
459
460 Version 2.10 (23/10/2012)
461 ------------
462 - Added cylinder graph.
463 - Added stacked and grouped 3D bar graphs.
464 - Added support for gradients in graph element backgrounds.
465 - Added gradient shaded side to 3D pie graphs.
466 - Added best fit lines for scatter graphs.
467 - Added support for drawing associative data on scatter graphs.
468 - Added show_axis_h and show_axis_v options.
469 - Added minimum_units_y option.
470 - Improved axis text label spacing again.
471 - Better text positioning for radar graphs.
472 - New default colours.
473 - Fixed tooltips positioning when embedded in HTML5/XHTML.
474 - Fixed text being selected when dragging legend.
475 - Fixed graphs with all values negative not being drawn.
476
477 Version 2.9 (29/08/2012)
478 -----------
479 - Added bar label options.
480 - Added axis division and subdivision styles and other options.
481 - Added diamond, hexagon, octagon, asterisk, star, threestar, fourstar and
482 eightstar markers.
483 - Added legend columns option.
484 - Added guide line opacity, text opacity, font adjust, text align, length and
485 length in units options.
486 - Added grid background colour option.
487 - Added grid line style options.
488 - Added marker border options.
489 - Added character encoding option.
490 - Added gradient stop opacity support.
491 - Improved subdivision calculations.
492 - Improved axis text label spacing.
493 - Removed main clipping path when not using a rounded rectangle background.
494 - Fixed grid clipping path using non-unique ID.
495 - Fixed line graphs not reaching right hand side of graph.
496 - Fixed line graphs drawing vertical line to axis when filling enabled.
497 - Fixed guide line title line spacing.
498 - Fixed error caused by empty data sets.
499
500 Version 2.8 (27/07/2012)
501 -----------
502 - Added stacked line graph.
503 - Added radar graph and multi-radar graph.
504 - Added axis_text_space option.
505 - Added axis_stroke_width option.
506 - Added force_assoc option.
507 - Fixed legend dragging without tooltips enabled.
508 - Fixed display of labels when axes disabled.
509 - Fixed use of associative array data.
510 - Added fill to legend display for line graphs.
511
512 Version 2.7.1 (02/07/2012)
513 -------------
514 - Fixed order of entries in multi-line graphs.
515 - Fixed script type attribute to match SVG standard.
516 - Fixed order of legend entries for stacked bar, horizontal bar and
517 horizontal grouped bar graphs.
518 - Fixed format of negative decimal numbers.
519
520 Version 2.7 (25/05/2012)
521 ----------
522 - Added guideline options.
523 - Added axis text rotation.
524 - Improved HTML embedding.
525 - Reduced output size of grouped and stacked bar graphs.
526
527 Version 2.6 (30/03/2012)
528 -----------
529 - Moved all configuration defaults to svggraph.ini.
530 - Added legend_* options.
531 - Added label_* options.
532 - Added graph_title_* options.
533
534 Version 2.5.1 (20/02/2012)
535 -------------
536 - Fixed bug with 0 values in stacked graphs.
537
538 Version 2.5 (09/08/2011)
539 -----------
540 - Improved Javascript event handlers.
541 - Added grid and axis subdivision options.
542 - Added stroke width option.
543 - Added more line/scatter marker symbols.
544 - Added line dash option.
545 - Added support for per-dataset fill opacity and line width.
546 - Added pie graph start angle option.
547
548 Version 2.4 (07/07/2011)
549 -----------
550 - Added multiple scatter graph.
551 - Added option to use full x,y data for scatter graphs.
552 - Added support for per-dataset marker options.
553 - Added support for per-dataset fill_under options.
554 - Fixed axis options are now available on both axes.
555
556 Version 2.3 (26/04/2011)
557 -----------
558 - Added horizontal bar graph.
559 - Added horizontal stacked bar graph.
560 - Added horizontal grouped bar graph.
561 - Updated 3D bar graph to support negative values.
562 - Added fixed axis and division options.
563
564 Version 2.2.1 (17/03/2011)
565 -------------
566 - Fixed display of graphs with a single data point.
567
568 Version 2.2 (21/02/2011)
569 -----------
570 - Added background image support.
571 - Added support for negative numbers on bar/line graphs.
572 - Updated axis calculations.
573 - Tooltips are now supported for all graph types.
574
575 Version 2.1 (12/01/2011)
576 -----------
577 - Added stacked bar graph.
578 - Added grouped bar graph.
579 - Added multiple line graph.
580 - Improved gradient support.
581 - Made markers mandatory on scatter graph.
582
583 Version 2.0 (19/08/2010)
584 -----------
585 - Update to PHP 5 OOP syntax.
586 - Added 3D pie graph.
587 - Added scatter graph.
588 - Added tooltips for graph markers.
589 - Minor improvements.
590
591 Version 1.2.1 (11/04/2010)
592 -------------
593 - Fixed error shown with E_STRICT.
594
595 Version 1.2 (01/05/2009)
596 -----------
597 - Added Bar3DGraph graph type.
598 - Added axis divisions.
599
600 Version 1.1 (27/03/2009)
601 -----------
602 - Added PieGraph graph type.
603 - Added title and description options.
604 - Added namespaced output option.
605 - Reduced output file size using grouping, symbols.
606 - Unused gradients are no longer output.
607
608 Version 1.0 (16/03/2009)
609 -----------
610 - First released version.
611
612