Catch IOError at Preserves decoder

preserves.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version = "20230301"
+version = "20230322"
 author        = "Emery Hemingway"
 description   = "data model and serialization format"
 license       = "Unlicense"

src/preserves.nim

@@ -684,7 +684,7 @@ proc decode*(dec: var BufferedDecoder; E = void): (bool, Preserve[E]) =
     else:
       dec.decodePosition = dec.stream.getPosition
       dec.stream.setPosition(appendPos)
-  except ValueError:
+  except IOError, ValueError:
     dec.stream.setPosition(appendPos)
 
 template preservesRecord*(label: string) {.pragma.}