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__quiver__.m: Honor scaling factor input for single quiver arrow (bug #39552) * scripts/plot/draw/private/__quiver__.m: Change scaling factor check to include cases where there is only one quiver arrow. * etc/NEWS.9.md: Note quiver change under General Improvements.
author Nicholas R. Jankowski <jankowski.nicholas@gmail.com>
date Wed, 19 Apr 2023 10:36:29 -0400
parents 80fef9315743
children e3de59065cf1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Summary of important user-visible changes for version 9 (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 - `oruntests`: The current directory now changes to the directory
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7 containing the files with the tests for the duration of the test. This
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8 aligns the behavior of this function with Octave's test suite. This also
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9 means that the file encoding specified in the `.oct-config` file for the
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10 respective directory is taken into account for the tests.
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12 - `dec2base`, `dec2bin`, and `dec2hex` have all been overhauled. All three
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13 functions now accommodate negative inputs and fractional inputs, and repeated
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14 code between the functions has been reduced or eliminated. Previously only
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15 `dec2bin` and `dec2hex` accepted negative inputs but `dec2base` did not, and
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16 none of the three accepted fractional inputs. But now,
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17 `dec2base (100*pi, 16, 4, 6)` for exampele returns a base-16 string with four
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18 places for the integer part and six places for the fractional part. Omitting
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19 the number of decimal places (the fourth input) retains old behavior for
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20 backward compatibility, except that non-integer inputs will no longer error.
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21
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22 - `quiver` now honors the scaling factor input when there is only a single
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23 arrow, whereas the factor was previously ignored in that case.
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24
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25 ### Graphical User Interface
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26
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27 ### Graphics backend
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28
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29 * The `set` function now accepts any combination of name/value pairs,
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30 cell array of names / cell array of values, or property structures.
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31 This change is Matlab-compatible.
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32
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33 * When the `hold` function is used without arguments to toggle the current
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34 state the resulting value is now displayed in the Command Window for
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35 informational purposes.
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36
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37 ### Matlab compatibility
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38
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39 - The `inputParser` function now implements the `PartialMatching` property
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40 for `Parameter` and `Switch` names. For Matlab compatibility,
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41 `PartialMatching` is now set to true by default which may change the behavior
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42 of existing code.
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44 - Overhauled `mean`, `median`, `var`, and `std` functions have been imported
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45 from statistics package v1.5.4 to compatibly implement 'nanflag' (bug #50571),
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46 'all' (bug #58116), and 'vecdim' (bug #58089) options, preserve output class,
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47 and match expected output behavior for empty (bug #50583) and sparse inputs
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48 (bug #63291). Both `median` and `mean` can handle large int values without
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49 overflow or precision concerns (bug #54567), and `mean` avoids errors due to
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50 limits of single precision by processing as doubles (bug #63848). `median`
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51 has also adopted the 'outtype' option from `mean`.
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53 - `mad` function now produces Matlab compatible output using improved `mean`
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54 and `median` functions. 'vecdim' and 'all' options are now supported. `mad`
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55 ignores all NaN values (using 'omitnan' mean/median option) and produces
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56 expected output behavior for empty inputs.
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58 - `mode` now produces Matlab compatible output for empty inputs (bug #50583).
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59
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60 - `normalize` now produces Matlab compatible output for inputs containing NaN
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61 values (bug #50571).
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63 - `cov` now processes the input form cov(x,y) with two separate data arrays
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64 x and y, as cov(x(:),y(:)) to maintain Matlab compatibility. It also accepts
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65 a NANFLAG option to allow ignoring NaN entries in input data (bug #50571)
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66 and produces Matlab compatible outputs for empty inputs (bug #50583). `corr`
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67 and `corrcoef` internal code has been adapted to the new `cov` behavior with
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68 no change to user interface. Packages using the octave core's `cov` that rely
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69 on the previous calling form may need to make similar adaptations. Calls for
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70 cov(x) with a vector x expecting a scalar return can get the previous results
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71 from `cov(x)(2)`, and calls to cov(x,y) with x and y matrices expecting
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72 columnwise covariance calculation can obtain the previous results using
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73 `cov([x,y])(1:nx, nx+1:end)`, where nx = columns(x).
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75 - `qz` now handles input and output arguments in a Matlab compatible
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76 way. It always computes the complex QZ decomposition if there are only
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77 two input arguments, and it accepts an optional third input argument
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78 'real' or 'complex' to select the type of decomposition. The output
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79 arguments are always in the same order independently of the input
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80 arguments, and the generalized eigenvalues are no longer returned (one
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81 can use the `ordeig` function for that purpose). The optional reordering
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82 of the generalized eigenvalues has been removed (one can use the `ordqz`
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83 function for that purpose).
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84
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85 ### Alphabetical list of new functions added in Octave 9
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86
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87 * `isuniform`
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88 * `tensorprod`
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89
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90 ### Deprecated functions, properties, and operators
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91
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92 The following functions and properties have been deprecated in Octave 9
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93 and will be removed from Octave 11 (or whatever version is the second
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94 major release after 9):
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95
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96 - Functions
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97
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98 Function | Replacement
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99 -----------------------|------------------
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100
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101 - Properties
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102
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103 The following property names are discouraged, but there is no fixed
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104 date for their removal.
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105
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106 Object | Property | Replacement
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107 -----------------|-------------|------------
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108
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109 - Core
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110
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111 * The `idx_vector::bool()` function is obsolete and always returns true.
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112 Any uses can simply be removed from existing code with no loss of function.
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113
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114 * The `all_ok(const Array<octave::idx_vector>&)` function in `Array-util.h`
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115 is obsolete and always returns true. Any uses can simply be removed from
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116 existing code with no loss of function.
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117
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118 * The member variable `octave_base_value::count` is deprecated and will be removed from Octave 11. Replace all instances with the new name `m_count`.
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119
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120 The following features were deprecated in Octave 7 and have been removed
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121 from Octave 9.
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122
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123 - Functions
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124
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125 Function | Replacement
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126 ---------------------------|------------------
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127 disable_diagonal_matrix | optimize_diagonal_matrix
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128 disable_permutation_matrix | optimize_permutation_matrix
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129 disable_range | optimize_range
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130
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131 - Operators
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132
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133 Operator | Replacement
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134 ---------|------------
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135 .+ | +
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136 .+= | +=
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137 .- | -
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138 .-= | -=
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139 ** | ^
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140 **= | ^=
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141 .** | .^
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142 .**= | .^=
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143
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144 - Interpreter
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145
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146 * The use of `'...'` for line continuations *inside* double-quoted
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147 strings has been removed. Use `'\'` for line continuations inside strings
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148 instead.
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149
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150 * The use of `'\'` as a line continuation *outside* of double-quoted
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151 strings has been removed. Use `'...'` for line continuations instead.
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152
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153 * Support for trailing whitespace after a `'\'` line continuation has been
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154 removed. Delete unnecessary trailing whitespace.
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155
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156 - For plot functions, the use of numbers to select line colors in
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157 shorthand formats was an undocumented feature that was removed in Octave 9.
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158
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159 - The environment variable used by `mkoctfile` for linker flags is now
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160 `LDFLAGS` rather than `LFLAGS`. `LFLAGS` was deprecated in Octave 6
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161 and has been removed.
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162
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163 Summary of bugs fixed for version 9.1.0 (yyyy-mm-dd):
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164 ----------------------------------------------------
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165
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166 - Bugfixes to `whos -file`, `urlread`, `mat2cell`, `set`.
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167
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168 - Memory usage reduced for `movfun` by eliminating temporary copies.
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169
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170 - Memory usage reduced when saving to file, preventing OOM and data loss.
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171
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172 - Several race conditions removed in signal handler.
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173
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174 - Performance improvements: avoid unnecessary string construction, use
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175 static casts instead of dynamic casts where possible.
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176
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177 ### Old release news
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178
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179 - [Octave 8.x](etc/NEWS.8)
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180 - [Octave 7.x](etc/NEWS.7)
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181 - [Octave 6.x](etc/NEWS.6)
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182 - [Octave 5.x](etc/NEWS.5)
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183 - [Octave 4.x](etc/NEWS.4)
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184 - [Octave 3.x](etc/NEWS.3)
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185 - [Octave 2.x](etc/NEWS.2)
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186 - [Octave 1.x](etc/NEWS.1)