Fix ignore regression.
An empty or non-existent hgignore file must return False (don't
ignore) for everything.
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footer = ""
changeset = changeset-raw.tmpl
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difflineplus = "#line#"
difflineminus = "#line#"
difflineat = "#line#"
diffline = "#line#"
changesetparent = "# parent: #node#"
filenodelink = "#file#"
filerevision = filerevision-raw.tmpl
fileline = "#line#"
diffblock = "#lines#"
filediff = filediff-raw.tmpl