--- Makefile.orig	2024-02-19 01:01:50 UTC
+++ Makefile
@@ -64,13 +64,14 @@ MANUAL_PAGES = \
 LDLIBS=libgif.a -lm
 
 MANUAL_PAGES = \
-	doc/gif2rgb.xml \
-	doc/gifbuild.xml \
-	doc/gifclrmp.xml \
-	doc/giffix.xml \
-	doc/giflib.xml \
-	doc/giftext.xml \
-	doc/giftool.xml
+	doc/gif2rgb.1 \
+	doc/gifbuild.1 \
+	doc/gifclrmp.1 \
+	doc/giffix.1 \
+	doc/giftext.1 \
+	doc/giftool.1
+MAN7_PAGES= \
+	doc/giflib.7
 
 SOEXTENSION	= so
 LIBGIFSO	= libgif.$(SOEXTENSION)
@@ -150,6 +151,8 @@ install-man:
 install-man:
 	$(INSTALL) -d "$(DESTDIR)$(MANDIR)/man1"
 	$(INSTALL) -m 644 $(MANUAL_PAGES) "$(DESTDIR)$(MANDIR)/man1"
+	$(INSTALL) -d "$(DESTDIR)$(MANDIR)/man7"
+	$(INSTALL) -m 644 $(MAN7_PAGES) "$(DESTDIR)$(MANDIR)/man7"
 uninstall: uninstall-man uninstall-include uninstall-lib uninstall-bin
 uninstall-bin:
 	cd "$(DESTDIR)$(BINDIR)" && rm -f $(INSTALLABLE)