Added --backend and --backend-opts options to the a2x command so

process output formats with backend plugin code extensions.
Patch submitted by Lex Trotman:
http://groups.google.com/group/asciidoc/browse_thread/thread/b8e93740b7cd0e1d/b5e0b83fe37ae31a

1 files changed, 11 insertions, 0 deletions

diff --git a/doc/a2x.1.txt b/doc/a2x.1.txt
index 17a9044..41bd56b 100644
--- a/doc/a2x.1.txt
+++ b/doc/a2x.1.txt
@@ -45,6 +45,13 @@ OPTIONS
   document type is 'article' unless the format is 'manpage' (in which
   case it defaults to 'manpage').
 
+*-b, --backend*='BACKEND'
+  'BACKEND' is the name of an installed backend plugin. When this
+  option is specified 'a2x' attempts load a file name 'a2x-backend.py'
+  from the 'BACKEND' plugin directory It then converts the
+  'SOURCE_FILE' to a 'BACKEND' formatted output file using a global
+  function defined in 'a2x-backend.py' called 'to_<BACKEND>'.
+
 *-f, --format*='FORMAT'::
   Output formats: 'chunked', 'docbook', 'dvi', 'epub', 'htmlhelp',
   'manpage', 'pdf' (default), 'ps', 'tex', 'text', 'xhtml'.
@@ -124,6 +131,10 @@ OPTIONS
   Additional 'dblatex(1)' options.
   This option may be specified more than once.
 
+*--backend-opts*='BACKEND_OPTS'::
+  Options for the backend plugin specified by the '--backend' option.
+  This option may be specified more than once.
+
 Options can also be set in the AsciiDoc source file. If 'SOURCE_FILE'
 contains a comment line beginning with *// a2x:* then the remainder of
 the line will be treated as 'a2x' command-line options. For example: