[gegl] docs: remove operations.json

[Øyvind Kolås <ok src gnome org>]

commit 4d4dde9cd16080315fef26f60064d4c2e9b48049
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue May 2 21:52:01 2017 +0200

    docs: remove operations.json

 docs/Makefile.am              |    8 +-------
 operations/common/newsprint.c |    1 +
 2 files changed, 2 insertions(+), 7 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 6b86e9b..834be09 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -18,11 +18,9 @@ ASC_DOC=index.html  abyss_policy.html bugzilla.html build.html commandline.html
 
 
 HTML_FILES = \
-       operations.json         \
        class-hierarchy.html
 
 GTKDOC_FILES = \
-       operations.json \
        gegl.css
 
 if HAVE_RUBY
@@ -69,7 +67,7 @@ EXTRA_DIST = \
        images/standard-aux.png \
        index.txt.in
 
-BUILT_EXTRA_DIST = class-hierarchy.html operations.json $(ASC_DOC)
+BUILT_EXTRA_DIST = class-hierarchy.html $(ASC_DOC)
 EXTRA_DIST += $(BUILT_EXTRA_DIST)
 
 EXAMPLE_FILES = $(wildcard $(srcdir)/images/examples/*.png)
@@ -102,10 +100,6 @@ examples:  $(top_builddir)/tools/gegl-tester$(EXEEXT) $(top_srcdir)/operations/*
                (cd operations; $(top_builddir)/../tools/operations_html ) \
        fi
 
-operations.json: $(top_builddir)/tools/operation_reference$(EXEEXT) $(top_srcdir)/operations/*/*.c | examples
-       GEGL_SWAP=RAM GEGL_PATH=$(top_builddir)/operations \
-       $(top_builddir)/tools/operation_reference$(EXEEXT) --json-db > $@
-
 class-hierarchy.html: $(top_builddir)/tools/introspect$(EXEEXT) $(top_srcdir)/operations/*/*.c 
$(top_srcdir)/gegl/*.c
        GEGL_SWAP=RAM GEGL_PATH=$(top_builddir)/operations \
        $(top_builddir)/tools/introspect$(EXEEXT) > $@
diff --git a/operations/common/newsprint.c b/operations/common/newsprint.c
index fd889fe..c6f75ca 100644
--- a/operations/common/newsprint.c
+++ b/operations/common/newsprint.c
@@ -538,6 +538,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "categories" ,        "render",
     "reference-hash",     "258468fa2e551453db67ba80c5db326f",
     "description",        _("Digital halftoning with optional modulations. "),
+    "reference-chain",    "load path=standard-input.png newsprint period=4.0",
     "position-dependent", "true",
     NULL);
 }