xhtml.cabal: Add -fwarn-tabs to ghc-options

c92ee47a · Erik de Castro Lopo · 6102d2c1 · c92ee47a
Commit c92ee47a authored 8 years ago by Erik de Castro Lopo
--- a/xhtml.cabal
+++ b/xhtml.cabal
@@ -20,10 +20,10 @@ Source-repository head
    type:           git
    location:       https://github.com/haskell/xhtml

-library 
+library
    Build-depends:  base >= 4.0 && < 5.0
-    Exposed-modules: 
-                    Text.XHtml, 
+    Exposed-modules:
+                    Text.XHtml,
                    Text.XHtml.Frameset,
                    Text.XHtml.Strict,
                    Text.XHtml.Transitional,
@@ -39,6 +39,6 @@ library
                    Text.XHtml.BlockTable,
                    Text.XHtml.Extras,
                    Text.XHtml.Internals
-    
-    ghc-options:    -Wall
+
+    ghc-options:    -Wall -fwarn-tabs
    Extensions:     CPP