Check character notes & improve readability

[r12a]

Orthography notes:

• [x] add details & summary to first section
• [x] move map sections to start of parent section
  • [x] add new intro to map sections
  • [x] move h4 headings from basics section to map section
  • [x] remove tap/mouseover instructions from parent section intro
• [x] read carefully and edit for readability & content
• [x] ensure that character notes
  • [x] reflect info in description
  • [x] have an example, where available
  • [x] indicate infrequent usage
  • [x] have no floating periods after examples
• [x] add Alphabet section
• [x] add Encoding choices section
• [x] add missing _map sections
  • [x] replace intros
  • [x] split lowercase & uppercase
  • [x] remove examples
  • [x] fix markup for uncommon items
  • [ ] remove (draft) from title
• [ ] move the letter-spacing section up and rename as text spacing
• [ ] add a tone section to the phonology section

Character usage:

• [x] check that character usage has same chars as index
• [x] add new -aux fields

Spreadsheet:

• [ ] Rearrange so that key column takes precedence
• [ ] Make changes to improve type-assist
• [ ] Check for gaps in other columns

Abugidas India

• [x] Bengali
• [x] Devanagari
• [x] Kashmiri
• [ ] Gujarati
• [ ] Gurmukhi
• [ ] Malayalam
• [ ] Newa
• [x] Odia
• [ ] Sinhala
• [x] Tamil
• [ ] Telugu
• [ ] Tibetan

SE Asia

• [x] Balinese
• [x] Shan
• [x] Buginese
• [x] Burmese
• [x] Javanese
• [x] Khmer
• [ ] Lisu
• [ ] New Tai Lue
• [ ] Northern Thai
• [ ] Tai Khun
• [ ] Sundanese
• [ ] Tai Le
• [x] Thai

Abjads

• [x] Arabic
• [x] Persian
• [ ] Syriac
• [x] Hebrew
• [x] Urdu

Alphabets Vowel letters

• [x] Adlam
• [x] Armenian
• [x] Bamanan
• [x] Bassa
• [x] Russian
• [ ] Georgian
• [x] Greek
• [ ] Rohingya
• [x] Mongolian
• [x] N'Ko
• [x] Santali
• [x] Osage
• [x] Tifinagh

Latin-based

• [x] Bamanan
• [x] Fula
• [x] Hausa (boko)

Vowel diacritics

• [ ] Assyrian Neo-Aramaic
• [ ] Dhivehi
• [ ] Hausa
• [x] Kashmiri
• [ ] Mandaic

Vowel signs

• [x] Kayah li
• [x] Lao
• [ ] Tai Viet
• [ ] Turoyo
• [ ] Uighur

Syllabics Featural

• [ ] Ethiopic
• [ ] Inuktitut
• [ ] Plains Cree
• [ ] Korean

Simple

• [ ] Bamum
• [ ] Cherokee
• [x] Vai

CJT

• [ ] Chinese
• [ ] Japanese