Mercurial > octave
annotate NEWS @ 27539:207e0bc53cdd
NEWS: More format changes for Markdown syntax.
DON'T delete the double spaces at the end of "any arg is complex ".
NEWS: More format changes for Markdown syntax.
author | Rik <rik@octave.org> |
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date | Mon, 21 Oct 2019 19:55:41 -0700 |
parents | 7f1fbc0541bd |
children | 5e1f2f1a7fcf |
rev | line source |
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* NEWS: Refer to version "6" instead of "6.0".
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1 Summary of important user-visible changes for version 6 (yyyy-mm-dd): |
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2 ---------------------------------------------------------------------- |
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3 |
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4 ### General improvements |
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5 |
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6 - The `intersect`, `setdiff`, `setxor`, `union`, and `unique` functions |
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7 accept a new sorting option `"stable"` which will return output values |
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8 in the same order as the input, rather than in ascending order. |
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9 |
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10 - The `linspace` function now produces symmetrical sequences when the |
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11 endpoints are symmetric. This is more intuitive and also compatible |
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12 with recent changes made in Matlab R2019b. |
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13 |
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14 - The `edit` function option `"editinplace"` now defaults to `true` and |
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15 the option `"home"` now defaults to the empty matrix `[]`. Files will |
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16 no longer be copied to the user's HOME directory for editing. The old |
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17 behavior can be restored by setting `"editinplace"` to `false` and |
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18 `"home"` to `"~/octave"`. |
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19 |
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20 - The `format` command supports two new options: `uppercase` and |
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21 `lowercase` (default). With the default, print a lowercase 'e' for |
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22 the exponent character in scientific notation and lowercase 'a-f' for |
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23 the hex digits representing 10-15. With `uppercase`, print 'E' and |
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24 'A-F' instead. The previous uppercase formats, `E` and `G`, no longer |
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25 control the case of the output. |
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26 |
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27 Additionally, the `format` command can be called with multiple options |
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28 for controlling the format, spacing, and case in arbitrary order. |
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29 For example: |
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30 |
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31 `format long e uppercase loose` |
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32 |
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33 Note, that in case of multiple competing format options the rightmost |
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34 one is used and in case of an error the previous format remains |
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35 unchanged. |
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36 |
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37 - New warnings have been added about questionable uses of the colon ':' |
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38 range operator. Each has a new warning ID so that it can be disabled |
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39 if desired. |
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40 |
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41 `Octave:colon-complex-argument` : when any arg is complex |
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42 `Octave:colon-nonscalar-argument` : when any arg is non-scalar |
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43 |
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44 - The `regexp` and related functions now correctly handle and *require* |
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45 strings in UTF-8 encoding. As with any other function that requires |
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46 strings to be encoded in Octave's native encoding, you can use |
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47 `native2unicode` to convert from your preferred locale. For example, |
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48 the copyright symbol in UTF-8 is `native2unicode (169, "latin1")`. |
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49 |
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50 #### Graphics backend |
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51 |
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52 - Graphic primitives now accept a color property value of `"none"` |
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53 which is useful when a particular primitive needs to be hidden |
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54 (for example, the Y-axis of an axes object with `"ycolor" = "none"`) |
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55 without hiding the entire primitive `"visibility" = "off"`. |
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56 |
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57 - A new property `"FontSmoothing"` has been added to text and axes |
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58 objects that controls whether anti-aliasing is used during the |
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59 rendering of characters. The default is `"on"` which produces smooth, |
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60 more visually appealing text. |
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61 |
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62 - The figure property `"windowscrollwheelfcn"`is now implemented. |
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63 This makes it possible to provide a callback function to be executed |
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64 when users manipulate the mouse wheel on a given figure. |
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65 |
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66 - The figure properties `"pointer"`, `"pointershapecdata"`, and |
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67 `"pointershapehotspot"` are now implemented. This makes it possible |
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68 to change the shape of the cursor (pointer in Matlab-speak) displayed |
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69 in a plot window. |
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70 |
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71 - The figure property `"paperpositionmode"` now has the default `"auto"` |
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72 rather than `"manual"`. This change is more intuitive and is |
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73 Matlab compatible. |
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74 |
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75 - The appearance of patterned lines `"LineStyle" = ":"|"--"|"-."` has |
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76 been improved for small widths (`"LineWidth"` less than 1.5 pixels) |
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77 which is a common scenario. |
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78 |
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79 - Printing to EPS files now uses a tight bounding box (`"-tight"` |
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80 argument to print) by default. This makes more sense for EPS |
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81 files which are normally embedded within other documents, and is |
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82 Matlab compatible. If necessary use the `"-loose"` option to |
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83 reproduce figures as they appeared in previous versions of Octave. |
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84 |
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85 - The following print devices are no longer officially supported: cdr, |
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86 corel, aifm, ill, cgm, hpgl, mf and dxf. A warning will be thrown |
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87 when using those devices, and the code for supporting those formats |
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88 will eventually be removed from a future version of Octave. |
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89 |
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90 ### Matlab compatibility |
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91 |
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92 - The function `unique` now returns column index vectors for the second |
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93 and third outputs. When duplicate values are present, the default |
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94 index to return is now the `"first"` occurrence. The previous Octave |
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95 behavior, or Matlab behavior from releases prior to R2012b, can be |
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96 obtained by using the `"legacy"` flag. |
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97 |
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98 - The function `setdiff` with the `"rows"` argument now returns Matlab |
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99 compatible results. The previous Octave behavior, or Matlab behavior |
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100 from releases prior to R2012b, can be obtained by using the `"legacy"` |
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101 flag. |
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102 |
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103 - The functions `intersect`, `setxor`, and `union` now accept a |
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104 `"legacy"` flag which changes the index values (second and third |
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105 outputs) as well as the orientation of all outputs to match Matlab |
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106 releases prior to R2012b. |
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107 |
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108 - Complex RESTful web services can now be accessed by the `webread` and |
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109 `webwrite` functions alongside with the `weboptions` structure. One |
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110 major feature is the support for cookies to enable RESTful |
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111 communication with the web service. |
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112 |
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113 Additionally, the system web browser can be opened by the `web` function. |
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114 |
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115 - The interpreter now supports handles to nested functions. |
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116 |
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117 - The graphics properties `"LineWidth"` and `"MarkerSize"` are now |
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118 measured in points, *not* pixels. Compared to previous versions |
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119 of Octave, some lines and markers will appear 4/3 larger. |
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120 |
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121 - The meta.class property "SuperClassList" has been renamed |
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122 "Superclasslist" for Matlab compatibility. The original name will |
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123 exist as an alias until Octave version 8.1. |
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124 |
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125 ### Alphabetical list of new functions added in Octave 6 |
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126 |
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127 * `lightangle` |
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128 * `namedargs2cell` |
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129 * `newline` |
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130 * `rotx` |
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131 * `roty` |
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132 * `rotz` |
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133 * `verLessThan` |
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134 * `web` |
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135 * `weboptions` |
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136 * `webread` |
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137 * `webwrite` |
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138 |
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139 |
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140 ### Deprecated functions and properties |
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141 |
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142 The following functions and properties have been deprecated in Octave 6 |
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143 and will be removed from Octave 8 (or whatever version is the second |
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144 major release after 6): |
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145 |
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146 - Functions |
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147 |
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148 Function | Replacement |
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149 -----------------------|------------------ |
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150 `runtests` | `oruntests` |
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151 |
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152 - Properties |
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154 Object | Property | Value |
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155 -----------------|---------------|------------ |
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156 | | |
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158 |
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159 ### Removed functions and properties |
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160 |
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161 The following functions and properties were deprecated in Octave 4.4 |
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162 and have been removed from Octave 6. |
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163 |
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164 - Functions |
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165 |
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166 Function | Replacement |
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167 ---------------------|------------------ |
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168 `chop` | `sprintf` for visual results |
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169 `desktop` | `isguirunning` |
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170 `tmpnam` | `tempname` |
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171 `toascii` | `double` |
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172 `java2mat` | `__java2mat__` |
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173 |
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174 - Properties |
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175 |
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176 Object | Property | Value |
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177 ---------------------|---------------------------|----------------------- |
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178 `figure` | `doublebuffer` | |
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179 | `mincolormap` | |
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180 | `wvisual` | |
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181 | `wvisualmode` | |
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182 | `xdisplay` | |
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183 | `xvisual` | |
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184 | `xvisualmode` | |
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185 `axes` | `drawmode` | |
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186 `annotation` | `edgecolor ("rectangle")` | |
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187 `text` | `fontweight` | `"demi"` and `"light"` |
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188 `uicontrol` | `fontweight` | `"demi"` and `"light"` |
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189 `uipanel` | `fontweight` | `"demi"` and `"light"` |
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190 `uibuttongroup` | `fontweight` | `"demi"` and `"light"` |
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191 `uitable` | `fontweight` | `"demi"` and `"light"` |
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193 |
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194 ### Old release news |
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195 |
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196 - [Octave 5.x](etc/NEWS.5) |
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197 - [Octave 4.x](etc/NEWS.4) |
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198 - [Octave 3.x](etc/NEWS.3) |
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199 - [Octave 2.x](etc/NEWS.2) |
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200 - [Octave 1.x](etc/NEWS.1) |