diff --git a/src/Mark.elm b/src/Mark.elm
index 5cce7d1..aa1f0a2 100644
--- a/src/Mark.elm
+++ b/src/Mark.elm
@@ -1829,7 +1829,7 @@ string =
             \desc ->
                 case desc of
                     DescribeString id range str ->
-                        Outcome.Success (String.trim str)
+                        Outcome.Success str
 
                     _ ->
                         Outcome.Failure NoMatch
@@ -1860,7 +1860,7 @@ string =
                     ParseBlock ->
                         Parser.map
                             (\( pos, str ) ->
-                                DescribeString id pos str
+                                DescribeString id pos (String.trim str)
                             )
                             (Parse.withRange
                                 (Parse.withIndent
@@ -1873,7 +1873,7 @@ string =
                     ParseInTree ->
                         Parser.map
                             (\( pos, str ) ->
-                                DescribeString id pos str
+                                DescribeString id pos (String.trim str)
                             )
                             (Parse.withRange
                                 (Parse.withIndent