be happy with any *.opf file – not just content.opf
diff --git a/Makefile b/Makefile
index 707740c..a15d5be 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@
$(TARGET_DIR)/%.i5.xml: $(BUILD_DIR)/% xslt/epub2i5.xsl xslt/idsCorpus-template.xml
mkdir -p $(TARGET_DIR)
echo "Converting $< to $@"
- java -jar lib/saxon9ee.jar -xsl:xslt/epub2i5.xsl $(shell find $< -name content.opf) > $@
+ java -jar lib/saxon9ee.jar -xsl:xslt/epub2i5.xsl $(shell find $< -name "*.opf") > $@
%.zip: %.i5.xml
tei2korapxml -l warn -s -tk - < $< > $@