-DOCS = tig.1.html tig.1 tigrc.5.html tigrc.5 \
- manual.toc manual.html manual.html-chunked manual.pdf \
- README.html
+DOCS_MAN = tig.1 tigrc.5
+DOCS_HTML = tig.1.html tigrc.5.html \
+ manual.html manual.html-chunked \
+ README.html
+DOCS = $(DOCS_MAN) $(DOCS_HTML) \
+ manual.toc manual.pdf