Unable to sanitize LaTeX "Option": 

Unable to sanitize LaTeX "Option": ,

Unable to sanitize LaTeX "Option": ,,

Unable to sanitize LaTeX "Option": 

Unable to sanitize LaTeX "Option": ]

Unable to sanitize LaTeX "Option": a,[,c]

Unable to sanitize LaTeX "Option": a,],c


[[]
[]]
[[]]



[a]
[a]
[a]
[a]
[a,b]
[a,b]
[a,b]
[a,[,c]
[a,],c]
[a,[],c]
[a,[],c]
[a,[,],c]
[a]
[a]
[a]