Merge branch 'lars/doc-cleanup/OTP-14475' into maint

* lars/doc-cleanup/OTP-14475:
  [edoc] Remove unused module otpsgml_layout.erl
  Remove unused files from the documentation build

5 files changed, 6 insertions, 102 deletions

diff --git a/lib/kernel/doc/src/Makefile b/lib/kernel/doc/src/Makefile
index 8976a3b800..c9d23ac4c4 100644
--- a/lib/kernel/doc/src/Makefile
+++ b/lib/kernel/doc/src/Makefile
@@ -70,7 +70,7 @@ XML_REF4_FILES = app.xml config.xml
 
 XML_REF6_FILES = kernel_app.xml
 
-XML_PART_FILES = part_notes.xml part_notes_history.xml
+XML_PART_FILES =
 XML_CHAPTER_FILES = notes.xml notes_history.xml
 
 BOOK_FILES = book.xml
@@ -100,9 +100,9 @@ SPECS_FILES = $(XML_REF3_FILES:%.xml=$(SPECDIR)/specs_%.xml)
 TOP_SPECS_FILE = specs.xml
 
 # ----------------------------------------------------
-# FLAGS 
+# FLAGS
 # ----------------------------------------------------
-XML_FLAGS += 
+XML_FLAGS +=
 
 SPECS_ESRC = ../../src
 
@@ -125,7 +125,7 @@ html: gifs $(HTML_REF_MAN_FILE)
 man: $(MAN3_FILES) $(MAN4_FILES) $(MAN6_FILES)
 
 gifs: $(GIF_FILES:%=$(HTMLDIR)/%)
-debug opt: 
+debug opt:
 
 clean clean_docs:
 	rm -rf $(HTMLDIR)/*
@@ -134,7 +134,7 @@ clean clean_docs:
 	rm -f $(MAN6DIR)/*
 	rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo)
 	rm -f $(SPECDIR)/*
-	rm -f errs core *~ 
+	rm -f errs core *~
 
 $(SPECDIR)/specs_erl_prim_loader_stub.xml:
 	escript $(SPECS_EXTRACTOR) $(SPECS_FLAGS) \
@@ -151,7 +151,7 @@ $(SPECDIR)/specs_zlib_stub.xml:
 
 # ----------------------------------------------------
 # Release Target
-# ---------------------------------------------------- 
+# ----------------------------------------------------
 include $(ERL_TOP)/make/otp_release_targets.mk
 
 release_docs_spec: docs
@@ -169,4 +169,3 @@ release_docs_spec: docs
 	$(INSTALL_DATA) $(MAN6_FILES) "$(RELEASE_PATH)/man/man6"
 
 release_spec:
-
diff --git a/lib/kernel/doc/src/fascicules.xml b/lib/kernel/doc/src/fascicules.xml
deleted file mode 100644
index fadd37eefb..0000000000
--- a/lib/kernel/doc/src/fascicules.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE fascicules SYSTEM "fascicules.dtd">
-
-<fascicules>
-  <fascicule file="ref_man" href="ref_man_frame.html" entry="yes">
-    Reference Manual
-  </fascicule>
-  <fascicule file="part_notes" href="part_notes_frame.html" entry="no">
-    Release Notes
-  </fascicule>
-  <fascicule file="" href="../../../../doc/print.html" entry="no">
-    Off-Print
-  </fascicule>
-</fascicules>
-
diff --git a/lib/kernel/doc/src/part_notes.xml b/lib/kernel/doc/src/part_notes.xml
deleted file mode 100644
index 5e849039ee..0000000000
--- a/lib/kernel/doc/src/part_notes.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE part SYSTEM "part.dtd">
-
-<part xmlns:xi="http://www.w3.org/2001/XInclude">
-  <header>
-    <copyright>
-      <year>2004</year><year>2016</year>
-      <holder>Ericsson AB. All Rights Reserved.</holder>
-    </copyright>
-    <legalnotice>
-      Licensed under the Apache License, Version 2.0 (the "License");
-      you may not use this file except in compliance with the License.
-      You may obtain a copy of the License at
- 
-          http://www.apache.org/licenses/LICENSE-2.0
-
-      Unless required by applicable law or agreed to in writing, software
-      distributed under the License is distributed on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-      See the License for the specific language governing permissions and
-      limitations under the License.
-    
-    </legalnotice>
-
-    <title>Kernel Release Notes</title>
-    <prepared></prepared>
-    <docno></docno>
-    <date></date>
-    <rev></rev>
-  </header>
-  <description>
-    <p>The <em>Kernel</em> application has all the code necessary to run
-      the Erlang runtime system itself; File servers and code servers
-      etc.</p>
-    <p>For information about older versions, see
-      <url href="part_notes_history_frame.html">Release Notes History</url>.</p>
-  </description>
-  <xi:include href="notes.xml"/>
-</part>
-
diff --git a/lib/kernel/doc/src/part_notes_history.xml b/lib/kernel/doc/src/part_notes_history.xml
deleted file mode 100644
index 0cf7b793da..0000000000
--- a/lib/kernel/doc/src/part_notes_history.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE part SYSTEM "part.dtd">
-
-<part>
-  <header>
-    <copyright>
-      <year>2006</year>
-      <year>2016</year>
-      <holder>Ericsson AB, All Rights Reserved</holder>
-    </copyright>
-    <legalnotice>
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
- 
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-  The Initial Developer of the Original Code is Ericsson AB.
-    </legalnotice>
-
-    <title>Kernel Release Notes History</title>
-    <prepared></prepared>
-    <docno></docno>
-    <date></date>
-    <rev></rev>
-  </header>
-  <description>
-    <p>The <em>Kernel</em> application has all the code necessary to run
-      the Erlang runtime system itself; File servers and code servers
-      etc.</p>
-  </description>
-  <include file="notes_history"></include>
-</part>
-
diff --git a/lib/kernel/doc/src/user_guide.gif b/lib/kernel/doc/src/user_guide.gif
deleted file mode 100644
index e6275a803d..0000000000
--- a/lib/kernel/doc/src/user_guide.gif
+++ /dev/null