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deal with empty values 

part of darcs patch Thu Sep 22 14:02:15 EEST 2005  Martin Gasbichler <gasbichl@informatik.uni-tuebingen.de>
This commit is contained in:
eknauel 2005-09-27 16:33:20 +00:00
parent d3e61c5546
commit 7488bcdf18
1 changed files with 6 additions and 2 deletions
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6
scheme/inspector.scm
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@ -3,10 +3,14 @@
(define (make-inspector-selection-list num-cols num-lines focus-obj) (define (make-inspector-selection-list num-cols num-lines focus-obj)
(let ((menu (prepare-menu focus-obj))) (let ((menu (prepare-menu focus-obj)))
(make-select-list (make-select-list
(if (null? menu) ; the select-list must not be empty
(list
(make-unmarked-text-element
focus-obj #t (val-to-string focus-obj num-cols)))
(map (lambda (e) (map (lambda (e)
(make-unmarked-text-element (make-unmarked-text-element
(cadr e) #t (layout-menu-entry num-cols e))) (cadr e) #t (layout-menu-entry num-cols e)))
menu) menu))
num-lines))) num-lines)))
(define (make-header focus-obj num-cols) (define (make-header focus-obj num-cols)