issue: Ignore preformatted blocks.

* tissue/issue.scm (file-details): Ignore preformatted blocks.
* tests/issue.scm ("Ignore preformatted block"): New test.
* issues/ignore-preformatted-blocks-in-gemtext-parser.gmi: Close
issue.

1 files changed, 7 insertions, 1 deletions

diff --git a/tissue/issue.scm b/tissue/issue.scm
index fd4a852..14bd75f 100644
--- a/tissue/issue.scm
+++ b/tissue/issue.scm
@@ -214,9 +214,15 @@ return #f."
 (define (file-details port)
   "Return a hashtable of details extracted from input PORT reading a
 gemtext file."
-  (let ((result (make-eq-hashtable)))
+  (let ((result (make-eq-hashtable))
+        (in-preformatted #f))
     (port-transduce (tmap (lambda (line)
                             (cond
+                             ;; Toggle preformatted state.
+                             ((string=? "```" line)
+                              (set! in-preformatted (not in-preformatted)))
+                             ;; Ignore preformatted blocks.
+                             (in-preformatted #t)
                              ;; Checkbox lists are tasks. If the
                              ;; checkbox has any character other
                              ;; than space in it, the task is