- (with-silent-modifications
- (or (= (point-min) prompt-start)
- (get-text-property (1- prompt-start) 'read-only)
- (put-text-property
- (1- prompt-start) prompt-start 'read-only 'fence))
- (add-text-properties
- prompt-start (point)
- '(read-only t rear-nonsticky t front-sticky (read-only)))))
+ (with-silent-modifications
+ (or (= (point-min) prompt-start)
+ (get-text-property (1- prompt-start) 'read-only)
+ (put-text-property (1- prompt-start)
+ prompt-start 'read-only 'fence))
+ (add-text-properties prompt-start (point)
+ '(read-only t front-sticky (read-only)))))