diff --git a/wdiff.spec b/wdiff.spec
index 4439dec..74cdcba 100644
--- a/wdiff.spec
+++ b/wdiff.spec
@@ -5,7 +5,9 @@ Version:        1.2.2
 Release:        18%{?dist}
 Summary:        Compare files on a word per word basis
 
-License:        GPLv3+
+# Entire source is GPLv3+, except wdiff.texi and the documentation built from
+# it, including info, HTML, and PDF documentation, which is Latex2e.
+License:        GPLv3+ and Latex2e
 URL:            https://www.gnu.org/software/%{name}/
 Source0:        https://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.gz
 Source1:        https://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.gz.sig
@@ -22,6 +24,8 @@ BuildRequires:  ncurses-devel
 
 BuildRequires:  help2man
 BuildRequires:  texinfo  
+BuildRequires:  texinfo-tex
+BuildRequires:  tex(latex)
 
 BuildRequires:  gnupg2
 
@@ -55,18 +59,32 @@ rm "${tmp}"
 %build
 autoreconf -fiv
 %configure --enable-experimental="mdiff wdiff2 unify" 
-%make_build
+%make_build all
 
 %if %{with rebuild_mans}
 rm -v man/mdiff.1 man/%{name}.1 man/%{name}2.1 man/unify.1
 %make_build -C man mdiff.1 %{name}.1 %{name}2.1 unify.1
 %endif
 
+# Make sure we rebuild the info page too.
+rm -v doc/%{name}.info
+%make_build -C doc info html pdf
+
 
 %install
 %make_install
-rm '%{buildroot}%{_infodir}/dir'
 find '%{buildroot}' -type f -name '*gnulib.mo' -print -delete
+rm '%{buildroot}%{_infodir}/dir'
+install -t '%{buildroot}%{_pkgdocdir}' -D -p -m 0644 \
+    ABOUT-NLS \
+    AUTHORS \
+    BACKLOG \
+    ChangeLog \
+    NEWS \
+    README \
+    THANKS \
+    TODO
+cp -rp doc/%{name}.html %{buildroot}%{_pkgdocdir}/html
 
 %find_lang %{name}
 
@@ -78,15 +96,6 @@ find '%{buildroot}' -type f -name '*gnulib.mo' -print -delete
 %files -f %{name}.lang
 %license COPYING
 
-%doc ABOUT-NLS
-%doc AUTHORS
-%doc BACKLOG
-%doc ChangeLog
-%doc NEWS
-%doc README
-%doc THANKS
-%doc TODO
-
 %{_bindir}/mdiff
 %{_bindir}/%{name}
 %{_bindir}/%{name}2
@@ -99,10 +108,14 @@ find '%{buildroot}' -type f -name '*gnulib.mo' -print -delete
 
 %{_infodir}/%{name}.info.*
 
+%{_pkgdocdir}
+
 
 %changelog
 * Mon Feb 08 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.2.2-18
 - Improve summary and description text
+- Build HTML and PDF versions of the documentation
+- Add Latex2e to License field
 
 * Sun Feb 07 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.2.2-17
 - Change URLs from HTTP to HTTPS