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-rw-r--r--Source/cmDocumentation.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmDocumentation.cxx b/Source/cmDocumentation.cxx
index 8b6f69e..acf8058 100644
--- a/Source/cmDocumentation.cxx
+++ b/Source/cmDocumentation.cxx
@@ -634,7 +634,7 @@ bool cmDocumentation::PrintRequestedDocumentation(std::ostream& os)
cmDocumentation::Form cmDocumentation::GetFormFromFilename(
const std::string& filename)
{
- std::string ext = cmSystemTools::GetFilenameExtension(filename);
+ std::string ext = cmSystemTools::GetFilenameLastExtension(filename);
ext = cmSystemTools::UpperCase(ext);
if ((ext == ".HTM") || (ext == ".HTML"))
{