Ignore build/ and Doc/build
diff --git a/.hgignore b/.hgignore
index 4452f84..81941b2 100644
--- a/.hgignore
+++ b/.hgignore
@@ -5,7 +5,8 @@
 Makefile.pre$
 TAGS$
 autom4te.cache$
-/build/
+^build/
+^Doc/build/
 buildno$
 config.cache
 config.log