Added a plugin system, based on hint.

+ In Text.Pandoc.Definition, added processIn, processInM,
  and queryIn, and deprecated processPandoc and queryPandoc
  for these more general functions, which are useful in writing
  plugins.

+ Added module Text.Pandoc.Plugins.

+ Added a --plugins option to Main, and code to run the parsed pandoc
  document through all the plugins.

+ Provided five sample plugin files in the plugins/ directory.

+ Documented --plugin in the pandoc man page and README.


git-svn-id: https://pandoc.googlecode.com/svn/trunk@1519 788f1e2b-df1e-0410-8736-df70ead52e1b

1 files changed, 8 insertions, 0 deletions

diff --git a/man/man1/pandoc.1.md b/man/man1/pandoc.1.md
index 91c3a8537..a418e608b 100644
--- a/man/man1/pandoc.1.md
+++ b/man/man1/pandoc.1.md
@@ -173,6 +173,14 @@ to Pandoc.  Or use `html2markdown`(1), a wrapper around `pandoc`.
     `context`, `docbook`, `man`, `markdown`, `opendocument`,
     `rst`, `rtf`).
 
+-P *MODULE[,MODULE...]*, \--plugins=*MODULE[,MODULE...]*
+:   Specify plugins to load, by module name or source file pathname.
+    Plugins should export a function `transform` of type `a -> a`
+    or `a -> IO a`, where `a` is `Inline`, `Block`, `Pandoc`,
+    `[Inline]`, or `[Block]`.  This function will be used to transform
+    the pandoc document after it is parsed by the reader and before it
+    is written out by the writer.
+
 -T *STRING*, \--title-prefix=*STRING*
 :   Specify *STRING* as a prefix to the HTML window title.