Forking ‘Guzey properly quotes Walker re genetic disorder’ by Dennis Hackethal

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First, there is a very rare genetic disorder that starts with a progressive insomnia, emerging in midlife. Several months into the disease course, the patient stops sleeping altogether. By this stage, they have started to lose many basic brain and body functions. No drugs that we currently have will help the patient sleep. After twelve to eighteen months of no sleep, the patient will die. Though exceedingly rare, this disorder asserts that a lack of sleep can kill a human being.
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[T]here is a very rare genetic disorder that starts with a progressive insomnia, emerging in midlife [fatal familial insomnia (FFI)]. Several months into the disease course, the patient stops sleeping altogether. By this stage, they have started to lose many basic brain and body functions. No drugs that we currently have will help the patient sleep. After twelve to eighteen months of no sleep, the patient will die. Though exceedingly rare, this disorder asserts that a lack of sleep can kill a human being.
Used for omissions. The default is ‘[...]’, but ‘. . .’ and variations thereof are also commonly used. If you are reusing a pre-existing quote, reflect its use of ellipsis.
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/ /m
A Ruby regular expression determining what is considered a diffable chunk. Defaults to . for individual characters. Use \w+ to compare whole words instead.
Pick the algorithm that generates the most semantic diff for your purposes. Myers often works best. Different algorithms sometimes produce the same results.
✓ No issues found using regular expression . and Myers algorithm. 
First,‧t[T]here‧is‧a‧very‧rare‧genetic‧disorder‧that‧starts‧with‧a‧progressive‧insomnia,‧emerging‧in‧midlife‧[fatal‧familial‧insomnia‧(FFI)].‧Several‧months‧into‧the‧disease‧course,‧the‧patient‧stops‧sleeping‧altogether.‧By‧this‧stage,‧they‧have‧started‧to‧lose‧many‧basic‧brain‧and‧body‧functions.‧No‧drugs‧that‧we‧currently‧have‧will‧help‧the‧patient‧sleep.‧After‧twelve‧to‧eighteen‧months‧of‧no‧sleep,‧the‧patient‧will‧die.‧Though‧exceedingly‧rare,‧this‧disorder‧asserts‧that‧a‧lack‧of‧sleep‧can‧kill‧a‧human‧being.

Explanation

# Part Valid? Explanation
1 
First,‧t
 ✓ yes Deletion is followed by a valid insertion.
2 
[T]
 ✓ yes Insertion is properly bracketed.
3 
here‧is‧a‧very‧rare‧genetic‧disorder‧that‧starts‧with‧a‧progressive‧insomnia,‧emerging‧in‧midlife
4 
‧[fatal‧familial‧insomnia‧(FFI)]
 ✓ yes Insertion is properly bracketed.
5 
.‧Several‧months‧into‧the‧disease‧course,‧the‧patient‧stops‧sleeping‧altogether.‧By‧this‧stage,‧they‧have‧started‧to‧lose‧many‧basic‧brain‧and‧body‧functions.‧No‧drugs‧that‧we‧currently‧have‧will‧help‧the‧patient‧sleep.‧After‧twelve‧to‧eighteen‧months‧of‧no‧sleep,‧the‧patient‧will‧die.‧Though‧exceedingly‧rare,‧this‧disorder‧asserts‧that‧a‧lack‧of‧sleep‧can‧kill‧a‧human‧being.
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