Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -47,7 +47,7 @@ exec_prefix = @exec_prefix@
 install_lib_dir = @libdir@
 install_bin_dir = @bindir@
 install_include_dir = @includedir@
-install_doc_dir = $(prefix)/share/doc/slang/v@slang_major_version@
+install_doc_dir = $(prefix)/share/doc/slang/
 DOC_FILES = ../changes.txt ../COPY* ../doc/slangdoc.html ../doc/text/*.txt
 MODULE_INSTALL_DIR = @libdir@/slang/v@slang_major_version@/modules
 #---------------------------------------------------------------------------