File list (Text Files widget)

The keys (and associated values) for the file lists are the following:

Key	Type	Default	Value	Remark
path	string	—	file path (absolute or relative)	be careful to escaping the backslash
encoding	string	—	file encoding	cf. Python doc (codecs)
annotation_key	string	—	annotation key	—
annotation_value	string		annotation value	—

Example:

[
    {
        "path":             "data\\Balzac\\Eugenie_Grandet.txt",
        "encoding":         "iso-8859-1",
        "annotation_key":   "auteur",
        "annotation_value": "Balzac"
    },
    {
        "path":             "data\\Balzac\\Le_Pere_Goriot.txt",
        "encoding":         "iso-8859-1",
        "annotation_key":   "auteur",
        "annotation_value": "Balzac"
    },
    {
        "path":             "data\\Daudet\\Lettres_de_mon_moulin.txt",
        "encoding":         "iso-8859-15",
        "annotation_key":   "auteur",
        "annotation_value": "Daudet"
    },
    {
        "path":             "data\\Daudet\\Tartarin_de_Tarascon.txt",
        "encoding":         "iso-8859-15",
        "annotation_key":   "auteur",
        "annotation_value": "Daudet"
    }
]