From 14a711849925748aa48b6512b1a0ad106d3b00f0 Mon Sep 17 00:00:00 2001
From: Mark Griffiths <mark@thebespokepixel.com>
Date: Tue, 5 Aug 2014 18:43:33 +0100
Subject: [PATCH] Revert 60b9f8d..e4d6eaf

This rolls back to commit 60b9f8db18b8889c3db864e443ee113d897bfe72.
---
 README.md                          | 2 +-
 build_tools/build_documentation.sh | 6 ------
 configure.ac                       | 2 +-
 3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 2cbd66321..b69b8dbee 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ fish depends on a curses implementation, such as ncurses. The headers and librar
 
 fish requires gettext for translation support.
 
-Building the documentation requires Doxygen 1.8 or newer.
+Building the documentation requires Doxygen 1.5 or newer.
 
 ### Autotools Build
 
diff --git a/build_tools/build_documentation.sh b/build_tools/build_documentation.sh
index 77eaad687..2705898e9 100755
--- a/build_tools/build_documentation.sh
+++ b/build_tools/build_documentation.sh
@@ -68,12 +68,6 @@ if test -z "$DOXYGENPATH"; then
     exit 0
 fi
 
-# Check we have the lexicon filter
-if test -z "$INPUT_FILTER"; then
-    echo >&2 "Lexicon filter is not available. Continuing without."
-    INPUTFILTER=''
-fi
-
 # Determine where our output should go
 if ! mkdir -p "${OUTPUTDIR}" ; then
     echo "Could not create output directory '${OUTPUTDIR}'"
diff --git a/configure.ac b/configure.ac
index f36e26025..037ee8fad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,7 +146,7 @@ AS_IF([test x$local_gettext != xno],
 # Build/clean the documentation only if Doxygen is available
 #
 
-doxygen_minimum=1.8
+doxygen_minimum=1.5
 
 AC_ARG_WITH(
   doxygen,