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Diffstat (limited to 'src/Internal/Marking.hs')
| -rw-r--r-- | src/Internal/Marking.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Internal/Marking.hs b/src/Internal/Marking.hs index 89d4a0b..9bf58cd 100644 --- a/src/Internal/Marking.hs +++ b/src/Internal/Marking.hs @@ -76,6 +76,7 @@ data MarkState = instance ExtensionClass MarkState where initialValue = MarkState Map.empty def + extensionType = PersistentExtension changeHistory :: (History Window -> History Window) -> (MarkState -> MarkState) changeHistory fn ms = ms { windowHistory = fn (windowHistory ms)} |