Terms that are in the lreq docs but not in i18n-glossary

These terms are used in the Thai and Gurmukhi lreq docs, but are not in 
https://w3c.github.io/i18n-glossary/
Terms with *** are ones i invented for lack of suitable alternatives.

Abugida
Vowel sign
Onset
Circumgraph ***
Conjunct
Inherent vowel
Pre-base vowel ***
Independent vowel
Standalone vowel ***
Composite vowel ***
Vocalic
Orthographic syllable
Alphabet




The following terms are in https://r12a.github.io/scripts/glossary/ but 
not in https://w3c.github.io/i18n-glossary/ (and the terms above are not 
included in this list).

Brahmi phonetic matrix
Checked
Coda (syllable)
Combining character
Combining character sequence (CCS)
Consonant cluster
Contour tone language
Cursive
Decomposed text
Dependent vowel
Featural syllabary
Hyphenation
Ideograph
Ijam
Invisible stacker
Justification
Letter spacing
Mater lectionis
Moraic syllabary
Normalisation
Normalisation form C (NFC)
Normalisation form D (NFD)
Nucleus (syllable)
Precomposed text / characters
Pure killer
Register tone language
Rhyme (syllable)
Shaping
Spacing mark
Syllabary
Syllable structure
Tone
Transliteration
Transcription
Typographic unit
Unchecked
Virama
Word boundary


Many of these may be used as we work through adding lreq docs to TR.

That completes my action 1239.

ri
ri