Number of characters to estimate look-ahead for complex scripts.

Whether the language is a block script, expanding between characters.

Whether the script's clusters are connected to each other, and no separation should be added between characters.

Whether the script is naturally cursive, meaning it uses justification methods other than intercharacter spacing.

Whether the characters are discrete units from each other; this includes both block scripts and clustered scripts.

Whether the language is justified within glyph clusters, not just between glyph clusters.

The standardized four-character code for the given script.

The standardized numeric code for the script, ranging from 0 to 999.

Which character to use to elongate the given script for justification.

Whether the caret is restricted to whole clusters.

The language uses dividers between words.