add isbn and doi-utils to EL_SOURCES

diff --git a/Makefile b/Makefile
index 5d4d6da5b2fc0ab101d9d7fa47f030e7973cf7cd..d6302d362cef5a66e1aea4be265429d66ff25204 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ CASK ?= cask
 CASK_EXEC ?= ${CASK} exec
 ORG_SOURCES = org-ref.org pubmed.org
 EL_TANGLED = ${ORG_SOURCES:.org=.el}
-EL_SOURCES = arxiv.el jmax-bibtex.el
+EL_SOURCES = arxiv.el jmax-bibtex.el doi-utils.el isbn.el
 SOURCES =  ${EL_TANGLED} ${EL_SOURCES}
 
 all: test