Table of Contents


PRESENTATION ... 11
FOREWORD ... 13
INTRODUCTION ... 15
CHAPTER I - Braille System ... 17
1. Definition ... 17
2. Identification of the points ... 17
3. Simple and compound signs ... 18
4. Position reference ... 20
5. Order Braille ... 20
6. Braille Writing ... 22
7. Application to the Portuguese Language ... 22
CHAPTER II - The Braille Code in the Portuguese Language Graph ... 23
A. Signal Value 8. Introduction ... 23
1 - Alphabet ... 23
2 - Letters with diacritics ... 23
3 - Punctuation and accessory signs ... 24
4 - Signs used with numbers 25
5 - Exclusive Signs of Braille Writing ... 25
B. Comments and Implementing Rules
9. Introduction ... 26
(1) - Capital letter sign ... 26
10. Capital letter with one or more letters ... 26
11. Acronyms ... 27
(2) - Numbers and signs used with them ... 28
12. Representation of digits ... 28
13. Decimal point ... 28
14. Class breaker point ... 29
15. Ordinal Numbers ... 29
16. Number and letter joints ... 29
17. Fractions ... 30
18. Dollar sign ... 31
19. Percent, per thousand ... 32
20. Legal paragraph ... 32
21. Dates ... 33
22. Signs of operation and relationship ... 36
23. Units of measurement ... 36
24. Angular measurements ... 36
25. Temperature Measurements ... 37
26. Time Measurements ... 37
27. Higher index ... 37
28. Lower index ... 38
29. Roman Numbering ... 38
(3) - Italic sign and other typographic variants ... 39
30. Italics, underline and bold ... 39
(4) - Punctuation and accessory signs ... 42
31. Introduction ... 42
32. Point ... 43
33. Apostrophe ... 43
34. Ellipsis ... 44
35. Parentheses and brackets ... 45
36. Quotes ... 48
37. Indent ... 50
38. Circle ... 51
39. Commercial E ... 52
40. Bars ... 52
41. Horizontal arrows ... 53
42. Restitution signal ... 53
43. Diacritics ... 54
44. Unencrypted Braille signal ... 54
CHAPTER III - PROVISION OF THE BRAILLE TEXT ... 55
45. Introduction ... 55
46.​Titles and subtitles ... 55
47. References to the text ... 56
48. Paragraph ... 56
49. Emphasis ... 58
50. Texts in verses ... 58
51. Stanzas ... 61
52. Verses in a prose text ... 61
53. Text separators ... 63
54. Pagination ... 63
55. Transpagination signal ... 64
56. Notes to the text ... 65
APPENDICES
Appendix 1 Braille Writing in a Computer Context ... 67