mathcat 0.1.26

MathCAT: Math Capable Assistive Technology ('Speech and braille from MathML')
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86

---

# big nums 1,234,456 (need to reject 1,2,345)
# big decimal nums 1,234.56
#
# various elementary forms
#   repeating decimal
#
# capture what should be msubsup -- msub followed by msup with empty mrow base
# capture scripted variables with empty mrows as the base and convert to mmultiscripts

-
  name: same-minus
  tag: mo
  match: "text()='−'" # U+2212
  replace:
      tree:
        node: self 
        text: "-"
-
  # MathType puts out 10' and 10" (where ' and " are 0x2032 and 0x2033) as mn msup with base 0
  name: prime-fix
  tag: msup
  match:
    - "*[1][self::mn] and"                       # mn in base
    - "*[2][(text()='′' or text()='″') and"      # 0x2032/0x2033
    - "preceding-sibling::*[last()][self::mn]"
  replace: 
    - tree:
        node: "*[1]"
        text: concat(preceding-sibling::*[last()][text()], *[1][text()])
    - delete: preceding-sibling::*[last()]

-
  #/ In MathType, repeating decimals look like:
  #    number   <mover> number <mo">&#xaf;</mo> </mover>
  #  Convert these to MathML3's mstack
  name: repeating-decimal
  tag: <mover>
  match:
    - "*[1][self::mn] and *[2][self::mo][text()='_']"
    - "preceding-sibling::*[last()][self::mn]"
  variables: 
    - LineLength:
      - x: "*[1][string-length(text())]"
    - MnText:
      - x: preceding-sibling::*[last()][text()]
    - BaseText:
      - x: "*[1][text()]"
  replace:
    - tree:
      node: self
      xml: >-

          <mstack stackalign='right align='baseline' position='0'> 
            <msline length='$LineLength' position='0'/>
            <msrow>
              <mn>$MnText$BaseText</mn>
            </msrow>
          </mstack>
    - delete: preceding-sibling::*[last()]

-
  #/ In MathType, repeating decimal like above except base is wrapped in an mrow
  name: repeating-decimal-with-mrow-base
  tag: <mover>
  match:
    - "*[1][self::mn] and *[2][self::mo][text()='_']"
    - "preceding-sibling::*[last()][self::mn]"
  variables: 
    - LineLength:
      - x: "*[1]/*[2][string-length(text())]"
    - MnText:
      - x: preceding-sibling::*[last()][text()]
    - BaseText:
      - x: "*[1]/*[2][text()]"
  replace:
    - tree:
      node: self
      xml: >-

          <mstack stackalign='right align='baseline' position='0'> 
            <msline length='$LineLength' position='0'/>
            <msrow>
              <mn>$MnText$BaseText</mn>
            </msrow>
          </mstack>
    - delete: preceding-sibling::*[last()]