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

13 files changed, 11 insertions, 106 deletions

diff --git a/lib/inets/doc/src/Makefile b/lib/inets/doc/src/Makefile
index cb71fbeb9c..14f12ee949 100644
--- a/lib/inets/doc/src/Makefile
+++ b/lib/inets/doc/src/Makefile
@@ -58,7 +58,7 @@ XML_REF3_FILES = \
 	mod_alias.xml \
 	mod_auth.xml \
 	mod_esi.xml \
-	mod_security.xml	
+	mod_security.xml
 
 XML_PART_FILES = \
 	part.xml
@@ -83,7 +83,7 @@ HTML_FILES = \
 	$(XML_PART_FILES:%.xml=$(HTMLDIR)/%.html)
 
 INFO_FILE = ../../info
-EXTRA_FILES = summary.html.src \
+EXTRA_FILES = \
 	$(XML_REF3_FILES:%.xml=$(HTMLDIR)/%.html) \
 	$(XML_REF6_FILES:%.xml=$(HTMLDIR)/%.html) \
 	$(XML_CHAPTER_FILES:%.xml=$(HTMLDIR)/%.html)
@@ -95,10 +95,10 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html
 TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf
 
 # ----------------------------------------------------
-# FLAGS 
+# FLAGS
 # ----------------------------------------------------
-XML_FLAGS += 
-DVIPS_FLAGS += 
+XML_FLAGS +=
+DVIPS_FLAGS +=
 
 # ----------------------------------------------------
 # Targets
@@ -119,25 +119,25 @@ html: gifs $(HTML_REF_MAN_FILE)
 clean clean_docs: clean_html clean_man clean_pdf
 	rm -f errs core *~
 
-man: $(MAN3_FILES) 
+man: $(MAN3_FILES)
 
 gifs: $(GIF_FILES:%=$(HTMLDIR)/%)
 
-debug opt: 
+debug opt:
 
-clean_pdf: 
+clean_pdf:
 	rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo)
 
-clean_html: 
+clean_html:
 	rm -rf $(TOP_HTML_FILES) $(HTMLDIR)/*
 
 clean_man:
-	rm -f $(MAN3_FILES) 
+	rm -f $(MAN3_FILES)
 
 
 # ----------------------------------------------------
 # Release Target
-# ---------------------------------------------------- 
+# ----------------------------------------------------
 include $(ERL_TOP)/make/otp_release_targets.mk
 
 release_docs_spec: docs
diff --git a/lib/inets/doc/src/book.gif b/lib/inets/doc/src/book.gif
deleted file mode 100644
index 94b3868792..0000000000
--- a/lib/inets/doc/src/book.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/fascicules.xml b/lib/inets/doc/src/fascicules.xml
deleted file mode 100644
index c075478967..0000000000
--- a/lib/inets/doc/src/fascicules.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE fascicules SYSTEM "fascicules.dtd">
-
-<fascicules>
-  <fascicule file="part" href="part_frame.html" entry="no">
-    User's Guide
-  </fascicule>
-  <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/inets/doc/src/inets.gif b/lib/inets/doc/src/inets.gif
deleted file mode 100644
index 64968ae68a..0000000000
--- a/lib/inets/doc/src/inets.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/min_head.gif b/lib/inets/doc/src/min_head.gif
deleted file mode 100644
index 67948a6378..0000000000
--- a/lib/inets/doc/src/min_head.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/note.gif b/lib/inets/doc/src/note.gif
deleted file mode 100644
index 6fffe30419..0000000000
--- a/lib/inets/doc/src/note.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/notes.gif b/lib/inets/doc/src/notes.gif
deleted file mode 100644
index e000cca26a..0000000000
--- a/lib/inets/doc/src/notes.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/part_notes.xml b/lib/inets/doc/src/part_notes.xml
deleted file mode 100644
index d10c829f4a..0000000000
--- a/lib/inets/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>2002</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>Inets</title>
-    <prepared>Micael Karlberg</prepared>
-    <docno></docno>
-    <date>2002-02-28</date>
-    <rev>3.0</rev>
-    <file>part_notes.sgml</file>
-  </header>
-  <description>
-    <p>A set of services such as a Web server and a ftp client etc. </p>
-    <p>For information about older versions see
-      <url href="part_notes_history_frame.html">release notes history</url>.</p>
-  </description>
-  <xi:include file="notes.xml"/>
-</part>
-
-
diff --git a/lib/inets/doc/src/part_notes_history.xml b/lib/inets/doc/src/part_notes_history.xml
deleted file mode 100644
index 66e3307f69..0000000000
--- a/lib/inets/doc/src/part_notes_history.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE part SYSTEM "part.dtd">
-
-<part>
-  <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>Inets</title>
-    <prepared>Micael Karlberg</prepared>
-    <docno></docno>
-    <date>2002-02-28</date>
-    <rev>3.0</rev>
-    <file>part_notes.sgml</file>
-  </header>
-  <include file="notes_history"></include>
-</part>
-
-
diff --git a/lib/inets/doc/src/ref_man.gif b/lib/inets/doc/src/ref_man.gif
deleted file mode 100644
index b13c4efd53..0000000000
--- a/lib/inets/doc/src/ref_man.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/summary.html.src b/lib/inets/doc/src/summary.html.src
deleted file mode 100644
index 17637a0787..0000000000
--- a/lib/inets/doc/src/summary.html.src
+++ /dev/null
@@ -1 +0,0 @@
-A set of services such as a web server and a ftp client etc
\ No newline at end of file
diff --git a/lib/inets/doc/src/user_guide.gif b/lib/inets/doc/src/user_guide.gif
deleted file mode 100644
index e6275a803d..0000000000
--- a/lib/inets/doc/src/user_guide.gif
+++ /dev/null
diff --git a/lib/inets/doc/src/warning.gif b/lib/inets/doc/src/warning.gif
deleted file mode 100644
index 96af52360e..0000000000
--- a/lib/inets/doc/src/warning.gif
+++ /dev/null