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-rw-r--r--guix/read-print.scm11
1 files changed, 9 insertions, 2 deletions
diff --git a/guix/read-print.scm b/guix/read-print.scm
index 515eb7669c..d834105dce 100644
--- a/guix/read-print.scm
+++ b/guix/read-print.scm
@@ -420,11 +420,18 @@ particular newlines, is left as is."
(define (printed-string str context)
"Return the read syntax for STR depending on CONTEXT."
+ (define (preserve-newlines? str)
+ (and (> (string-length str) 40)
+ (string-index str #\newline)))
+
(match context
(()
- (object->string str))
+ (if (preserve-newlines? str)
+ (escaped-string str)
+ (object->string str)))
((head . _)
- (if (memq head %natural-whitespace-string-forms)
+ (if (or (memq head %natural-whitespace-string-forms)
+ (preserve-newlines? str))
(escaped-string str)
(object->string str)))))