Fix up build process

- Fixed build script to correctly detect pandoc and lua requirements
 - Fixed lua script syntax

bin/build_html_docs.sh

@@ -18,7 +18,7 @@
 # Helper script to build HTML documentation from markdown source
 
 # define script variables
-UTILS="python pip pandoc"
+UTILS="pandoc"
 ODIR="html"
 
 # check if for required utilities
@@ -41,6 +41,15 @@ then
 	exit 1
 fi
 
+# make sure pandoc has lua support
+pandoc --help | grep 'lua-filter' 1>/dev/null 2>&1
+if [ ${?} -gt 0 ]
+then
+	echo "ERROR: Required LUA Filter support not found in Pandoc utility"
+	echo "       Make sure you have version 2.3.1 or higher installed"
+	exit 1
+fi
+
 # determine base path of the repository
 BASE_PATH="$( cd "$(dirname "$0")" ; pwd -P | sed 's/\/bin//')"
 

resources/build/pandoc_links_to_html.lua

@@ -1,4 +1,4 @@
-# Simple LUA function to be used by Pandoc when converting Markdown to HTML
+-- Simple LUA function to be used by Pandoc when converting Markdown to HTML
 function Link(el)
   el.target = string.gsub(el.target, "%.md", ".html")
   el.target = string.gsub(el.target, "README.html", "Table-of-Contents.html")