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Revise Postman's Knock with help from Audrey's crib sheet.
author Jim Hague <jim.hague@acm.org>
date Thu, 14 Feb 2019 23:10:16 +0000
parents 4fab69a1027d
children
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1 Version 58
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2 - grammer for I:score instruction replaces ad hoc parsing.
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3 - voice merging, part grouping and grand staffs are derived by transformation of the parse tree of I:score.
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4 - also move clef redefinitions after [I:staff +/-n].
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5 - avoid a false beam break when [I:staff +/-n] is used within a beamed note group.
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6 - absolute ABC staff numbers in [I:staff n] are mapped to MusicXML grand staff numbers (when possible).
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7 - added translation of the [+-^_]15 octave clefs.
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8 - no default channel/panning/volume in <midi-instrument> elements.
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9
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10 Version 57
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11 - grand staff implemented.
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12 - in an [I:score] instruction recognize a braced voice group as a grand staff when the opening brace is followed by an asterix ('{*' no space allowed).
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13 - also recognize a normal braced voice group as a grand staff when precisely one of the braced voices has a name.
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14 - the name of a staff or part is taken from the first of its voices (in ABC source order) for which a name is defined.
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15 - within a grand staff notes and directions preceded by [I:staff +/-n] are moved n staffs upwards or downwards.
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16 - accept voice ids with a leading asterix in I:score instructions (for the time being the asterix is discarded, however)
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17
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18 Version 56
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19 - the <grace/> element should come before the <chord/> element in a note. (previously caused syntax warning with FinaleNotepad)
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20 - translates the _8, ^8 variants of the clefs in addition to the +8, -8. Also translates octave= argument of V: and K:
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21 - part names are left empty when not explicitly given using V:id name="<part name>" (previously id was used in that case)
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22 - transpose= was only honoured when a typed clef= definition was present, now is works in any V: or K: field.
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23 - a tempo definition in the ABC header (Q:) is treated as an inline tempo ([Q:]) for the first voice.
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24 - repeated occurrences of [I:MIDI] in a voice are translated into a MusicXML instrument changes for that voice.
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25 Neither Finale nor Musescore recognize the relevant MusicXML elements (<sound/midi-instrument> and <note/instrument> yet.
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26 - new cue=on/off attribute for K: and V: definitions, to mark sections of cue notes in a voice.
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27 Neither Finale nor Musescore handle cue size for directions, yet (<level size="cue">).
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28 - normally whole measure rests are discarded when merging staffs. Use option -r to keep these rests in the merged results.
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29
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30 Version 55
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31 - replaced info message text: "leeg" with "empty voice", when skipping an empty voice.
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32 - avoided exception when ABC voice has only one measure containing only a volta number
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33 - do not output an xml-backup element when it has zero duration
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34
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35 Version 54
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36 - allow gracenotes within chords
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37 - discard unbalanced chord brackets (caused a syntax error previously)
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38 - chords containing only rests caused an exception
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39 - ABC-code like: B2 1 caused an exception, now interpreted as: B2/1
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41 Version 53
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42 - tie to a chord with a single note caused an exception.
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43 - a first line with a single measure and only a left bar line caused a syntax error.
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44 - a first line with a single measure with only chords and no bar lines caused a syntax error.
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45 - option -z or --mxl writes an additional compressed xml file with extention .mxl
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46 - better treatment of barlines with spaces interspersed.
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47 - dot after note right before barline caused syntax error (now only warning and skip)
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48
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49 Version 52
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50 - accept and translate chords in a grace sequence (caused an exception previously)
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51 - corrected bug when parsing %%score without space between voice number and left bracket, like %%staves 1(2 3)
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53 Version 51
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54 - treat abc file without any X: as a single tune and prepend X:1
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55 - recognize alto4 as alternative notation for tenor clef
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56
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57 Version 50
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58 - corrected translation of the clef octave change notation (i.e. +8, -8 suffix)
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59
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60 Version 49
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61 - ties between different pitches are converted to slurs (previously the tie in 'A-B A' would extend
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62 to the second A, now there will be a slur between A and B).
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63 - do not add accidentals to tied notes even when present in ABC code.
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64 - use consistent voice numbering in XML when merging ABC-voices with overlays.
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65
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66 Version 48
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67 - M: field with more than one slash caused an exception.
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68 - limit shortest note durations to 1/64
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69 - skip redundant closing slurs (caused exception previously)
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70 - check instrument id when generating MIDI elements (caused exception when errors in %%score)
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71 - issue warning message when illegal user defined characters are used (X,Y,Z,x,y,z)
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72 - use correct xml-syntax for credit elements (was wrong in version 47)
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73 - translate explicit alterations for non traditional keys
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74 (non traditional key signatures not supported by MuseScore, but note alterations are correct)
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75 - skip more illegal symbols in stead of issuing parse error
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76
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77 Version 47
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78 - translate middle=<pitch> in clefs
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79 - translate transpose=<semitones> in clefs (also %%MIDI transpose is recognised)
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80 - translate subname= in V: fields (name= was already translated)
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81 - translate "%%MIDI program" and "%%MIDI channel" (multiple instruments per staff supported)
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82 - an abc file with multiple tunes can be converted to a set of musicxml files.
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83 - new command line option "-m SKIP NUM" to set the range of tunes to be converted for large abc files.
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84 - leading dot was skipped when parsing a float in page format settings (.5in -> 5in)
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85 - accept [r:] syntax for remarks (caused syntax error previously)
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86 - relax syntax for user defined symbols (allowed character set was needlessly restricted)
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87 - all abc meta-info fields are translated to credit tags (with type)
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88
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89 Version 46
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90 - warn when unit length is a single integer and assume L:1/8 (caused exception previously)
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91 - translate tune with only header fields (caused exception previously)
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92 - translate tunes where first voice definition appears in the middle of the body (caused exception previously)
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93 - skip illegal characters in chords and issue warning (caused syntax error previously)
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94 - skip illegal U: field in body and issue warning (caused syntax error previously)
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95 - more illegal characters between elements are skipped but with less specific warnings.
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96 - line endings with only <cr> were not handled properly
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97 - add check for text without any abc code in it (caused exception previously)
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98 - conversion of pObj to string caused exception when it contained non latin-1 characters (e.g. in warning messages)
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99
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100 Version 45
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101 - ignore old style continuation when next line is w:
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102 - replace illegal durations by the nearest smaller legal one (caused exception previously)
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103 - when multiple stave mappings keep only first one and issue warning
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104 - accept start of next tune (X:) when not preceeded by an empty line (caused syntax error previously)
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105 - warn when unit length is no fraction of integers and assume L:1/8 (caused exception previously)
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106 - raise meaningful exception when the tune is empty (e.g. empty line after K:)
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107 - broken rhythm involving a rest was not translated
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108
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109 Version 44
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110 - translate volta brackets with quoted text (in addition to numbers and number ranges)
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111 - when error in M: field assume 4/4. (caused exception previously)
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112 - allow voice names with underscore
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113 - bug in parsing %%score when no space between two stave groups, like: (v1 v2)(v3 v4)
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114 - corrected merging of voices of unequal length (caused exception previously)
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115 - user defined symbols with '()<>.' chars were not accepted
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116 - when p was a user defined symbol also !p! was erroneously seen as used defined
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117 - skip random text before tune starts (caused syntax error previously)
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118
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119 Version 43
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120 - more non standard bar lines recognized (e.g. :])
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121 - accept X: fields when the tune number is followed by non-numeric chars.
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122 - allow complex meter (M:2+2+3/8)
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123 - warn for illegal L: fields (like L:1/6) and use 1/8 instead
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124 - accept and skip E: field
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125 - wedge close was not recognized when written with old '+' notation (bug was in fixSlurs)
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126 - remove * and ** at end of line (probably old notation for right adjustment)
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127 - accept and ignore a Q:-field with only text
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128 - replace "Expected end of text at .." message from parser by "Syntax error at .."
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129
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130 Version 42
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131 - translate tempo from Q: field
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132 - translate -8 in key or voice field (temporary fix)
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133 - accept empty text annotations
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134 - in addition to !<(! also accept !crescendo(! and the same for diminuendo
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135 - ignore line continuation after information field
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136 - in lyrics treat isolated tildes as note skips
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137 - encode parse error message in utf-8 and when that fails in latin-1
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138 - limit length of misplaced symbol message to 80 chars
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139 - put text between K: and first V: into the header (was skipped previously)
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140 - bug in %%score when no spaces around '|'-character
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141 - added "o" as alternative for dim ("Edim7" = "Eo7")
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142 - in chord symbols "+" and "-" were not always translated correctly
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143 - tuple abbreviation (n:: and (n::m were not translated correctly
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144 - dotted barlines translated (: .|)
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145
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146 Version 41
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147 - translate (multi-)measure rests: Z, X
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148 - discard misplaced broken symbols (no more exceptions)
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149 - discard misplaced octave suffices (warning, no parse error)
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150 - discard misplaced header fields (warning, no parse error after K:)
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151 - show location of misplaced symbols
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152 - only parse header if it is not empty (-> better error messages)
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153 - accept score/stave-directives and page formatting also in body
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154
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155 Version 40
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156 - when reading a file with multiple tunes only translate the first one
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157 - command line option added for scale, page size and margins
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158 - all %% directives are changed into I: fields
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159 - translate scale, page size and margins from ABC directives, but command line overrides
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160
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161 Version 39
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162 - accept and discard rests in chords
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163 - accept and discard accidentals before rests
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164 - spacer is treated as a normal note but discarded
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165 - accept chords with only one note
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166 - invisible rests (x) are translated as invisible in xml too.
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167
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168 Version 38
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169 - also recognise ma and mi in chord symbols (e.g. Cma7, Cmi7)
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170 - replace tildes in lyrics by spaces
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171 - accept syllabi starting with a tilde
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172 - accept space after V: 1
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173
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174 Version 37
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175 - accidental elements are written whenever an explicit accidentals are present in ABC (for finale, mscore does not need them)
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176 - tuplet notation elements are written to mark begin and end of tuplet (for finale, mscore doet not need them)
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177 - normal-type elements are written when tuplets are irregular
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178 - issue understandable message when metre is not recognized
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179 - take (compound) metre into account when translating tuplet shorthands (as described in ABC 2.1)
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180 - do not add beaming-elements into rest-elements (still break beam when long rest in beamgroup).
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181
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182 Version 36
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183 - volta-stop elements were somtimes (recognised at and) put into a left-bar element, which
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184 is not valid MusicXML. These elements are now put into the right-bar of the previous measure.
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185 - accept volta's without barline: "abc [1 def" is read as: "abc |[1 def"
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186 - accept volta's after redundant left barline: "abc |\n|[1 def" is read as "abc |\n[1 def"
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187 - changed document order of repeat and ending elements (MusicXML order requirement)
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188 - xml output to stdout is also encoded in utf-8 (was erroneously done in latin-1)
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189 - prevent finale detecting the string "xml" in the <software>-tag (finale quirk)
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190 - only issue a <supports>-tag when abc code really uses explicit linebreaks
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191
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192 Version 35
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193 - recognise and translate (nested) braces and brackets in both %%staves and %%score
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194 - translate more keys (maj, min, mix, dor, phr, lyd, loc and none)
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195 - recognise and skip [I:...] in body
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196 - invisible bar lines translated
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197 - silently skip slur end when there is no corresponding slur begin
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198 - also accept user defined symbols delimited by +
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199 - limit length of syntax error message (in a way compatible with pyparsing internal administration)
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200 - add <identification/encoding/supports> tag, because Finale seems to expect it.
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201
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202 Version 34
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203 - removed copy() from 2 parse expressions because it did not appear to work on Linux
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204 - recognize, warn and skip misplaced accidentals and ties
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205 - bug in old style continuation when there was nothing left to continue with.
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206 - limit syntax error output to 80 chars, with error in the middle.
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207
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208 Version 33
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209 - added !coda!, !segno!, !fine!, !dacoda!, !dalsegno! etc.
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210 - move coda and segno when just before a barline to next measure
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211 - added several ornaments and articulations.
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212 - recognize (and skip) '<' and '>' position markers for text expressions
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213 - fall back to text expression for unrecognized chord symbols.
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214 - recognize (and skip) alternative chord symbols between brackets
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215 - interpret expressions like "ABC" as text expression and not as misspelled chord symbol.
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216 - beam detection improved (grammar)
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217
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218 Version 32
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219 - grammar for both linebreaks ! and $ without ambiguities!
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220 - remove commandline option for linebreak (also I:linebreak not needed anymore)
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221 - accept both + and ! for deco's
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222 - accept (and skip) empty fields
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223 - accept ']' in all header fields
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224 - strip leading and trailing spaces from header fields (T: title -> T:title)
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225 - also translate inline fields before a left barline
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226 - recognise volta after forward repeat
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227 - translate dashes to comma's in volta ([1-3 -> [1,3)
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228 - recognise slurs after broken rhythm symbols i.e. replace (ab>>)c -> (ab)>>c
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229 - skip P: fields
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230 - allow lines with a single measure without barline
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231 - combine ~-syllabi (multiple syllabi under one note)
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232 - skip W: lyrics because no musicXML equivalent
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233 - translate longa and breve
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234
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235 Version 31
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236 - bug in treatment of double-repeat when it is at the end of a voice-lyrics block
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237 - added <DOCTYPE> declaration because Finale seems to need it.
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238 - added identification/encoding element so people can see what software made the file
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239
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240 Version 30
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241 - voice overlays
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242 - merging voices rewritten: lyrics renumbering, measurewise merging
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243 - linebreak after left-bar is output directly (i.e. not postponed to the next measure)
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244
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245 Version 29
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246 - implementation of beaming
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Jim Hague <jim.hague@acm.org>
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247 - insert line breaks at start of next measure
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248 - keep only one line break per measure when mapping multiple voices
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249 - renumber slurs when clash occurs during voice mapping
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250 - syntax error message is encoded in latin-1
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251 - bug in recognition of presence of open tie
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252
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253 Version 28
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254 - all chord symbols were erroneously recognized as text annotations (wrong syntax priority)
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255 - Recognize (and skip) redundant left side bars
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256 - don't stumble on a double repeat (::) when it occurs at the and of a voice/lyrics block
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257 - better error message when header fields appear after the first K:
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258 - output of non latin-1 strings on stderr uses repr()
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259
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260 Version 27
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261 - Initial release