MixedRanging returns a Ranging from the start position of a to the end position of b.

NewContext creates a new Context.

PackErrors packs multiple instances of [Error] with the same tag into one error: - If called with no errors, it returns nil.

PointRanging returns a zero-width Ranging at the given point.

ShowError shows an error.

UnpackErrors returns the constituent [Error] instances in an error if it is built from [PackErrors].

Variables controlling the style used in [*Context.Show].

Variables controlling the style used in [*Context.Show].

Context stores information derived from a range in some text.

Error represents an error with context that can be showed.

Ranging represents a range [From, To) within an indexable sequence.

ErrorTag is used to parameterize [Error] into different concrete types.

RangeError combines error with [Ranger].

Ranger wraps the Range method.

Shower wraps the Show function.