diff options
Diffstat (limited to 'src/Haddock/Backends/Xhtml/Utils.hs')
| -rw-r--r-- | src/Haddock/Backends/Xhtml/Utils.hs | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/Haddock/Backends/Xhtml/Utils.hs b/src/Haddock/Backends/Xhtml/Utils.hs index 30abfdcd..edb5e659 100644 --- a/src/Haddock/Backends/Xhtml/Utils.hs +++ b/src/Haddock/Backends/Xhtml/Utils.hs @@ -113,10 +113,13 @@ char :: Char -> Html char c = toHtml [c] --- | Ensure content contains at least something (a non-breaking space) -nonEmpty :: (HTML a) => a -> Html -nonEmpty a = if isNoHtml h then spaceHtml else h - where h = toHtml a +-- | Make an element that always has at least something (a non-breaking space) +-- If it would have otherwise been empty, then give it the class ".empty" +nonEmpty :: (Html -> Html) -> Html -> Html +nonEmpty el content_ = + if isNoHtml content_ + then el ! [theclass "empty"] << spaceHtml + else el << content_ quote :: Html -> Html |