annotate NEWS @ 28109:42892c93bd25

NEWS: Document change in error handling of command-form functions (bug #57830). * NEWS: Document change in error handling of command-form functions.
author Rik <rik@octave.org>
date Wed, 19 Feb 2020 08:57:13 -0800
parents d320728d5d06
children 7818c5b07403
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Summary of important user-visible changes for version 7 (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
28109
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6 - Many functions in Octave can be called in a command form---no
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7 parentheses for invocation and no return argument assignment---or in a
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8 functional form---parentheses and '=' for assignment of return values.
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9
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10 Command Form Example
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11
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12 `mkdir new_directory`
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13
42892c93bd25 NEWS: Document change in error handling of command-form functions (bug #57830).
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14 Function Form Example
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15
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16 `status = mkdir ("new_directory")`
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17
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18 Octave now handles errors that occur in a consistent manner. If
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19 called in command form and there is a failure, an error is thrown
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20 and a message printed. If called in functional form, no error or
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21 message is printed and the failure is communicated to the programmer
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22 via the output status variable.
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23
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24 The following list of functions have been modified.
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25
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26 * `copyfile`
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27 * `fcntl`
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28 * `fileattrib`
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29 * `kill`
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30 * `link`
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31 * `mkfifo`
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32 * `movefile`
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33 * `rename`
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34 * `rmdir`
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35 * `symlink`
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36 * `unlink`
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37
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38 ### Graphics backend
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39
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40 - Support for Qt4 for graphics and the GUI has been removed.
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41
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42 ### Matlab compatibility
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43
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44
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45 ### Alphabetical list of new functions added in Octave 7
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46
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47 * `rng`
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48
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49 ### Deprecated functions and properties
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50
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51 The following functions and properties have been deprecated in Octave 7
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52 and will be removed from Octave 9 (or whatever version is the second
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53 major release after 7):
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54
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55 - Functions
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56
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57 Function | Replacement
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58 -----------------------|------------------
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59 |
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60
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61 - Properties
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62
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63 Object | Property | Value
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64 -----------------|---------------|------------
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65 | |
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66
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67 ### Removed functions and properties
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68
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69 The following functions and properties were deprecated in Octave 5
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70 and have been removed from Octave 7.
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71
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72 - Functions
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parents: 26835
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73
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74 Function | Replacement
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75 -------------------------|------------------
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76 `output_max_field_width` | `output_precision`
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77 `is_keyword` | `iskeyword`
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78
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79 - Properties
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80
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81 Object | Property | Value
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82 -----------------|---------------|------------
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83 `text` | `fontangle` | `"oblique"`
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84 `uibuttongroup` | `fontangle` | `"oblique"`
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85 `uicontrol` | `fontangle` | `"oblique"`
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86 `uipanel` | `fontangle` | `"oblique"`
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87 `uitable` | `fontangle` | `"oblique"`
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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88
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89 ### Old release news
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90
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91 - [Octave 6.x](etc/NEWS.6)
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92 - [Octave 5.x](etc/NEWS.5)
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93 - [Octave 4.x](etc/NEWS.4)
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94 - [Octave 3.x](etc/NEWS.3)
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95 - [Octave 2.x](etc/NEWS.2)
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96 - [Octave 1.x](etc/NEWS.1)