plan 10 re-check: cut run column, damaged undo run, emptied directory cleanup, text turning binary, explain flags, interrupt docsv0.0.7

1 files changed, 6 insertions, 1 deletions

diff --git a/internal/extract/extract.go b/internal/extract/extract.go
index ad51c00..376e09b 100644
--- a/internal/extract/extract.go
+++ b/internal/extract/extract.go
@@ -17,12 +17,17 @@ import (
 // Version is the version of the text this package extracts. Bump it
 // whenever a change could make any format's text differ, so every keyword
 // cache built from the old text is discarded (Fingerprint).
-const Version = 1
+const Version = 2
 
 var (
 	// ErrUnsupported is returned when the format carries no text krino
 	// knows how to extract.
 	ErrUnsupported = errors.New("no text in this format")
+	// ErrMixed is returned for a file of no known extension whose first
+	// 8 KiB read as text but which holds a NUL or invalid UTF-8 further on.
+	// Unlike ErrUnsupported it is a read failure: the text it began with
+	// could hold a keyword (plan 10 re-check R4).
+	ErrMixed = errors.New("text at the start, binary data further on")
 	// ErrTooLarge is returned when the file is larger than the configured
 	// max-read; nothing is read in that case.
 	ErrTooLarge = errors.New("larger than max-read")