Implements SPE-159 "substitute accented letters with non-accented ones"

xs/src/slic3r/Utils/ASCIIFolding.hpp

@@ -0,0 +1,14 @@
+#ifndef slic3r_ASCIIFolding_hpp_
+#define slic3r_ASCIIFolding_hpp_
+
+#include <string>
+
+namespace Slic3r {
+
+// If possible, remove accents from accented latin characters.
+// This function is useful for generating file names to be processed by legacy firmwares.
+extern std::string fold_utf8_to_ascii(const std::string &src);
+
+}; // namespace Slic3r
+
+#endif /* slic3r_ASCIIFolding_hpp_ */