Homogenise NEWS.md, conf.py cleanup (#1065)

* homogenise NEWS.md

* travis: rename anchor

* doc: conf.py cleanup

3 files changed, 107 insertions, 263 deletions

diff --git a/.travis.yml b/.travis.yml
index 3ee6efd21..a6c3bf3fb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ env:
     - TASK=fedora30+llvm
 
 deploy:
-  - &deploy-docker
+  - &dep
     provider: releases
     skip_cleanup: true
     api_key:
@@ -51,5 +51,5 @@ jobs:
     - env: TASK="man"
       script: ./dist/man.sh
       deploy:
-        - <<: *deploy-docker
+        - <<: *dep
           file: "doc/_build/man/ghdl.1"
diff --git a/NEWS.md b/NEWS.md
index 4b4574f9e..60266c824 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,19 +1,23 @@
 **0.37-dev** (XXXX-XX-XX)
+
 - python binding added
 - synthesis added
 - PSL keywords are directly handled in vhdl-2008
 - Add support for assume.
 
 **0.36** (2019-03-03)
+
 - A new GitHub organization is created and the main repo is moved from [github.com/tgingold/ghdl](https://github.com/tgingold/ghdl) to [github.com/ghdl/ghdl](https://github.com/ghdl/ghdl). Old refs will continue working, because permanent redirects are set up. However, we suggest every contributor to update the remote URLs in their local clones.
 - Add support for unbounded arrays.
 
 **0.35** (2017-12-14)
+
 - Assert and report messages are sent to stdout (#394)
 - Improve support for unbounded records
 - Bugs fixed
 
 **0.34** (2017-08-15)
+
 - Display stack backtraces on errors or assert failures
 - Compile scripts for vendor libraries (Xilinx, Altera, osvvm, vunit)
 - Use SSE2 for mcode backend
@@ -25,13 +29,15 @@
 - New option `--psl-report`, to report status of PSL assert and cover.
 - VHDL2008: support nested package
 
-**v0.33** (2015-10-04)
+**0.33** (2015-10-04)
+
 - Improve support of VHDL2008
 - Support [OSVVM](http://osvvm.org) 2015
 - Support VUnit: [LarsAsplund/vunit](https://github.com/LarsAsplund/vunit)
 - Many bugs fixed
 
-**v0.32** (2014-11-XX)
+**0.32** (2014-11-XX)
+
 - Updated to build with `gcc-4.9.2`.
 - support:
 	- partial of VHDL2008 (available with `--std=08`):
@@ -47,17 +53,20 @@
 	- OSVVM 2014_01
 - Bugs fixed
 
-**v0.31** (2014-01-XX)
+**0.31** (2014-01-XX)
+
 - Updated to build with `gcc-4.8.2`.
 - Supports OSVVM (Open-Source VHDL Verification Methodology) (see [osvvm.org](http://osvvm.org)) in its VHDL-2002 form.
 - Adds `'image` and `'value` attributes for all required datatypes
 - Many bugs and support issues fixed.
 - New home on `https://sourceforge.net/projects/ghdl-updates/`
 
-**v0.30**
+**0.30** (-)
+
 Never released, swith to Dunoon Edition.
 
-**v0.29** (2010-01-09)
+**0.29** (2010-01-09)
+
 - Initial implementation of embedded PSL assertions.
 - Improve:
 	- speed of non-sensitized processes.
@@ -67,7 +76,8 @@ Never released, swith to Dunoon Edition.
 	- when the bound of a string literal type is not locally static.
 	- gcov crash
 
-**v0.28** (2009-09-17)
+**0.28** (2009-09-17)
+
 - Add `--std=08` to enable VHDL2008 features.
 - Support all-sensitized processes from VHDL2008.
 - Documentation typos (thanks to Peter Huewe).
@@ -77,7 +87,8 @@ Never released, swith to Dunoon Edition.
   - direct drivers elaboration for unconstrained array signals.
   - many minor bugs.
 
-**v0.27** (2008-07-01)
+**0.27** (2008-07-01)
+
 - Improve SDF annotation (handles much more annotations)
 - Add `--ieee-asserts=` option to control assert messages from ieee packages.
 - bug fix:
@@ -89,7 +100,8 @@ Never released, swith to Dunoon Edition.
   - clear timeout in wait for.
   - minor bugs.
 
-**v0.26** (2007-04-08)
+**0.26** (2007-04-08)
+
 - `GHDL_PREFIX` environment variable overrides default installation prefix.
 - simulation speed improved with 'direct drivers'.
 - windows version:
@@ -105,7 +117,8 @@ Never released, swith to Dunoon Edition.
 	- crash when bad array prefix
 	- correctly extract sensitivity of record aggregate
 
-**v0.25** (2006-08-11)
+**0.25** (2006-08-11)
+
 - VPI functions to schedules values.
 - `math_real` now works under windows.
 - documentation updated for windows.
@@ -124,7 +137,8 @@ Never released, swith to Dunoon Edition.
 	- handle in-conversion for signal associated with an expression.
 	- emit an error when a function tries to exit without a return.
 
-**v0.24** (2006-06-25)
+**0.24** (2006-06-25)
+
 - Handle enums with more than 256 elements.
 - Relax expr static rules in 93c to analyze Xilinx core lib from 8.1
 - man page, `ghdl.1`, added.
@@ -143,13 +157,15 @@ Never released, swith to Dunoon Edition.
 	- time and character read procedure of std.textio.
 	- initialize by value parameters (instead of copy-in).
 
-**v0.23** (2006-05-16)
+**0.23** (2006-05-16)
+
 - bug fix:
 	- handle implicit conversion in resolution functions.
 	- missing implicit conversion added.
 	- avoid a crash in error.
 
-**v0.22** (2006-03-28)
+**0.22** (2006-03-28)
+
 - direntry added in `ghdl.texi`
 - updated:
 	- Documentation (explain bug in Xilinx unisim library).
@@ -164,7 +180,8 @@ Never released, swith to Dunoon Edition.
 	- configuration issue
 	- `--warn-no-vital-generic` is now working
 
-**v0.21** (2005-12-18)
+**0.21** (2005-12-18)
+
 - local optimizations (loops, indexed name).
 - simulation speed improved by 20% due to processes mngt optimizations.
 - stack-switching code ported to `x86_64` (`amd64/em64t`).
@@ -185,7 +202,8 @@ Never released, swith to Dunoon Edition.
 	- handle missing `EOL` for `readline`.
 	- for `x86_64`
 
-**v0.20** (2005-10-15)
+**0.20** (2005-10-15)
+
 - stack memory usage improved for shortcurt operations.
 - gtkwave now displays nice waves for bit and std_ulogic signals.
 - time unit is displayed in assert/report message.
@@ -204,7 +222,8 @@ Never released, swith to Dunoon Edition.
 	- for reading `.ghw` files.
 	- in `--xref`.
 
-**v0.19** (2005-08-17)
+**0.19** (2005-08-17)
+
 - `ADAFLAGS` has been replaced by `GHDL_ADAFLAGS` to ease compilation.
 - `ieee.math_real` and `ieee.math_complex` added (only partially, based on a
   draft).
@@ -236,7 +255,8 @@ Never released, swith to Dunoon Edition.
 	- allow conversion in component configuration.
 	- conversion in associations with not statically defined array signals.
 
-**v0.18** (2005-03-12)
+**0.18** (2005-03-12)
+
 - Keep last line number to speed-up line number look-up (improvement).
 - `--warn-default-binding` added, `--warn-binding` rewritten.
 - `'value` implemented for integer numbers.
@@ -248,7 +268,8 @@ Never released, swith to Dunoon Edition.
 	- correctly set the default value of collapsed ports.
 	- handling of stack2 (aka large concatenation bug).
 
-**v0.17** (2005-02-26)
+**0.17** (2005-02-26)
+
 - command `--elab-run` added.
 - Code generation for aggregate improved.
 - Library name of option `--work=` is checked.
@@ -267,7 +288,8 @@ Never released, swith to Dunoon Edition.
 	- non-object name in sensitivity list crashed.
 	- correctly handle alias of signals in processes.
 
-**v0.16** (2005-01-02)
+**0.16** (2005-01-02)
+
 - `std.textio`: readline has no limits on line length.
 - command `-r` (run) added.
 - bug fix:
@@ -276,12 +298,14 @@ Never released, swith to Dunoon Edition.
 	- parse error: `begin` in aggregates.
 	- bad `unused subprogram` warnings.
 
-**v0.15** (2004-10-13)
+**0.15** (2004-10-13)
+
 - library file format modified to handle relative pathes.
 - install fixed to use relative pathes.
 - internal change: ortho API modified (constant are not anymore expressions).
 
-**v0.14** (2004-08-29)
+**0.14** (2004-08-29)
+
 - pretty printing in HTML command, `--pp-html`, added.
 - xref generation in HTML command, `--xref-html`, added.
 - syntax checking command, `-s`, added.
@@ -308,7 +332,8 @@ Never released, swith to Dunoon Edition.
 	- parameters of protected type: handled and checked.
 	- `gen_tree.c` modified to work with sparc.
 
-**v0.13** (2004-06-26)
+**0.13** (2004-06-26)
+
 - support of 64bits integers and 32bits time (not yet user available)
 - handle `'high` and `'low` attributes on non-locally static types and subtypes.
 - Many warning switches added (to control output of warnings).
@@ -330,7 +355,8 @@ Never released, swith to Dunoon Edition.
 	- multiple visibility of declarations (eg: direct and alias).
 	- names attribute of non-object aliases.
 
-**v0.12** (2004-05-30)
+**0.12** (2004-05-30)
+
 - simulation speed improved (2 fold) due to reduced activity optimization.
 - type conversion handled in associations
 - make mode of ghdl improved.
@@ -345,13 +371,15 @@ Never released, swith to Dunoon Edition.
 	- association of an unconstrained port with an expression.
 	- declaring an uncons. array subtype of an uncons. array subtype.
 
-**v0.11.1** (2004-04-24)
+**0.11.1** (2004-04-24)
+
 - bug fix:
 	- corner case of signal not updated
 	- handle `'stable`, `'quiet` with a paramater > 0
 	- typos (missing `+ `) in sparc.S
 
-**v0.11** (2004-04-17)
+**0.11** (2004-04-17)
+
 - signal collapsing improved.
 - simulation kernel speed improved (maybe 5x faster).
 - `--lines` mode of ghdldrv added.
@@ -364,7 +392,8 @@ Never released, swith to Dunoon Edition.
 	- implicit conversion in formal function convertor.
 	- return type is a type mark.
 
-**v0.10** (2004-02-28)
+**0.10** (2004-02-28)
+
 - architecture with many instances can be compiled with less memory.
 - `--stats` option added to the simulator, to evaluate performance.
 - signals are now collapsed between instances, if possible.
@@ -376,7 +405,8 @@ Never released, swith to Dunoon Edition.
 	- absolute source files.
 	- empty sequence of statements in case alternatives.
 
-**v0.9** (2004-02-01)
+**0.9** (2004-02-01)
+
 - VITAL level 0 restrictions checks added.
 - VITAL 2000 packages provided.
 - run-time information (such as signal names) rewritten.
@@ -389,7 +419,8 @@ Never released, swith to Dunoon Edition.
 	- concurrent procedure call creates a non-sensitized process.
 	- effective value of non-scalar resolved signal might not be set.
 
-**v0.8** (2003-11-05)
+**0.8** (2003-11-05)
+
 - protected types (from 1076a/1076-2000) implemented.
 - file declarations are finalized in subprograms.
 - an exit call-back has been added in the run-time library.
@@ -402,7 +433,8 @@ Never released, swith to Dunoon Edition.
 	- signal declaration not allowed in processes.
 	- several bugs fixed.
 
-**v0.7** (2003-08-02)
+**0.7** (2003-08-02)
+
 - layout of internal nodes improved.
 - incremental binding (vhdl93).
 - association of in port with expressions (vhdl93).
@@ -416,7 +448,8 @@ Never released, swith to Dunoon Edition.
 	- correctly handle operators names at function call.
 	- several small bugs fixed.
 
-**v0.6** (2003-06-09)
+**0.6** (2003-06-09)
+
 - internal modifications (single linked list used instead of arrays).
 - Mentor version of std_logic_arith is provided.
 - postponed handled (vhdl 93).
@@ -428,7 +461,8 @@ Never released, swith to Dunoon Edition.
 	- `selected_name` list in use clauses.
 	- many other small bug fixes.
 
-**v0.5** (2003-05-10)
+**0.5** (2003-05-10)
+
 - foreign attribute handled.  You can now call subprograms defined in a foreign
   language (such as C or Ada).
 - ghdl entry point added: you can start the VHDL simulation from your own
@@ -437,10 +471,12 @@ Never released, swith to Dunoon Edition.
 	- triple use.
 	- incomplete types
 
-**v0.4.1** (2003-04-07)
+**0.4.1** (2003-04-07)
+
 - bug fix: in the vcd output.
 
-**v0.4** (2003-04-02)
+**0.4** (2003-04-02)
+
 - `libgrt` does not depend on GNAT library anymore.
   Installation requirements are reduced.
 - `'delayed` attribute implemented.
diff --git a/doc/conf.py b/doc/conf.py
index ef047cb96..e28ce3e16 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -1,18 +1,6 @@
 # -*- coding: utf-8 -*-
-#
-# GHDL documentation build configuration file, created by
-# sphinx-quickstart on Fri Nov 20 20:33:03 2015.
-#
-# This file is execfile()d with the current directory set to its
-# containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-import sys, os, shlex, re, subprocess
+
+import sys, re
 from os.path import abspath, join
 
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -25,40 +13,29 @@ sys.path.insert(0, abspath('.'))
 # If your documentation needs a minimal Sphinx version, state it here.
 needs_sphinx = '1.5'
 
-# Add any Sphinx extension module names here, as strings. They can be
-# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
-# ones.
 extensions = [
-# Standard Sphinx extensions
-	'recommonmark',
-	'sphinx.ext.extlinks',
-	'sphinx.ext.intersphinx',
-	'sphinx.ext.todo',
-	'sphinx.ext.graphviz',
-	'sphinx.ext.mathjax',
-	'sphinx.ext.ifconfig',
-	'sphinx.ext.viewcode',
-	# 'sphinx.ext.githubpages',
-# SphinxContrib extensions
-	# 'sphinxcontrib.textstyle',
-	# 'sphinxcontrib.spelling',
-# Other
+    # Standard Sphinx extensions
+    'recommonmark',
+    'sphinx.ext.extlinks',
+    'sphinx.ext.intersphinx',
+    'sphinx.ext.todo',
+    'sphinx.ext.graphviz',
+    'sphinx.ext.mathjax',
+    'sphinx.ext.ifconfig',
+    'sphinx.ext.viewcode',
+    # Other
     'exec',
 ]
 
-# Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates', '_themes']
 
 # The suffix(es) of source filenames.
 source_suffix = {
     '.rst': 'restructuredtext',
-    #'.txt': 'markdown',
+    # '.txt': 'markdown',
     '.md': 'markdown',
 }
 
-# The encoding of source files.
-#source_encoding = 'utf-8-sig'
-
 # The master toctree document.
 master_doc = 'index'
 
@@ -72,16 +49,16 @@ author = u'Tristan Gingold and contributors'
 # built documents.
 
 try:
-	with open('../configure') as verin:
-		for line in verin:
-			line = re.findall(r'ghdl_version=\"([0-9].+)\"', line)
-			if line:
-				version=line[0]
-				break
+    with open('../configure') as verin:
+        for line in verin:
+            line = re.findall(r'ghdl_version=\"([0-9].+)\"', line)
+            if line:
+                version = line[0]
+                break
 except Exception as e:
-	print('cannot extract version: %s' % e)
-	version = "latest"
-	pass
+    print('cannot extract version: %s' % e)
+    version = "latest"
+    pass
 
 release = version  # The full version, including alpha/beta/rc tags.
 
@@ -91,40 +68,13 @@ release = version  # The full version, including alpha/beta/rc tags.
 # Usually you set "language" from the command line for these cases.
 language = None
 
-# There are two options for replacing |today|: either, you set today to some
-# non-false value, then it is used:
-#today = ''
-# Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
-
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 exclude_patterns = []
 
-# The reST default role (used for this markup: `text`) to use for all
-# documents.
-#default_role = None
-
-# If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
-
-# If true, the current module name will be prepended to all description
-# unit titles (such as .. function::).
-#add_module_names = True
-
-# If true, sectionauthor and moduleauthor directives will be shown in the
-# output. They are ignored by default.
-#show_authors = False
-
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = 'sphinx'
 
-# A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
-
-# If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
-
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
 todo_link_only = True
@@ -132,19 +82,17 @@ todo_link_only = True
 # reST settings
 prologPath = "prolog.inc"
 try:
-	with open(prologPath, "r") as prologFile:
-		rst_prolog = prologFile.read()
+    with open(prologPath, "r") as prologFile:
+        rst_prolog = prologFile.read()
 except Exception as ex:
-	print("[ERROR:] While reading '{0!s}'.".format(prologPath))
-	print(ex)
-	rst_prolog = ""
+    print("[ERROR:] While reading '{0!s}'.".format(prologPath))
+    print(ex)
+    rst_prolog = ""
 
 # -- Options for HTML output ----------------------------------------------
 
-# The theme to use for HTML and HTML Help pages.  See the documentation for
-# a list of builtin themes.
-#html_theme = 'alabaster'
 html_theme = "sphinx_rtd_theme"
+
 # Override default css to get a larger width for ReadTheDoc build
 html_context = {
     'css_files': [
@@ -154,190 +102,50 @@ html_context = {
     ],
 }
 
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-#html_theme_options = {}
-
-# Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
-
-# The name for this set of Sphinx documents.  If None, it defaults to
-# "<project> v<release> documentation".
-#html_title = None
-
-# A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
-
-# The name of an image file (relative to this directory) to place at the top
-# of the sidebar.
-#html_logo = None
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-#html_favicon = None
-
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
-# Add any extra paths that contain custom files (such as robots.txt or
-# .htaccess) here, relative to this directory. These files are copied
-# directly to the root of the documentation.
-#html_extra_path = []
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
-
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-#html_use_smartypants = True
-
-# Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
-
-# Additional templates that should be rendered to pages, maps page names to
-# template names.
-#html_additional_pages = {}
-
-# If false, no module index is generated.
-#html_domain_indices = True
-
-# If false, no index is generated.
-#html_use_index = True
-
-# If true, the index is split into individual pages for each letter.
-#html_split_index = False
-
-# If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
-
-# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-#html_show_sphinx = True
-
-# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-#html_show_copyright = True
-
-# If true, an OpenSearch description file will be output, and all pages will
-# contain a <link> tag referring to it.  The value of this option must be the
-# base URL from which the finished HTML is served.
-#html_use_opensearch = ''
-
-# This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
-
-# Language to be used for generating the HTML full-text search index.
-# Sphinx supports the following languages:
-#   'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
-#   'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
-#html_search_language = 'en'
-
-# A dictionary with options for the search language support, empty by default.
-# Now only 'ja' uses this config value
-#html_search_options = {'type': 'default'}
-
-# The name of a javascript file (relative to the configuration directory) that
-# implements a search results scorer. If empty, the default will be used.
-#html_search_scorer = 'scorer.js'
-
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'GHDLdoc'
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-# The paper size ('letterpaper' or 'a4paper').
-'papersize': 'a4paper',
-
-# The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
-
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
-
-# Latex figure (float) alignment
-#'figure_align': 'htbp',
+    'papersize': 'a4paper',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title,
-#  author, documentclass [howto, manual, or own class]).
+# (source start file, target name, title, author, documentclass [howto, manual, or own class]).
 latex_documents = [
-  (master_doc, 'GHDL.tex', u'GHDL Documentation',
-   u'Tristan Gingold', 'manual'),
+    (master_doc, 'GHDL.tex', u'GHDL Documentation', author, 'manual'),
 ]
 
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-#latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-#latex_use_parts = False
-
-# If true, show page references after internal links.
-#latex_show_pagerefs = False
-
-# If true, show URL addresses after external links.
-#latex_show_urls = False
-
-# Documents to append as an appendix to all manuals.
-#latex_appendices = []
-
-# If false, no module index is generated.
-#latex_domain_indices = True
-
 # -- Options for manual page output ---------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'ghdl', u'GHDL Documentation',
-     [author], 1)
+    (master_doc, 'ghdl', u'GHDL Documentation', [author], 1)
 ]
 
-# If true, show URL addresses after external links.
-#man_show_urls = False
-
-
 # -- Options for Texinfo output -------------------------------------------
 
 # Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
+# (source start file, target name, title, author, dir menu entry, description, category)
 texinfo_documents = [
-  (master_doc, 'GHDL', u'GHDL Documentation',
-   author, 'GHDL', 'VHDL simulator.',
-   'Miscellaneous'),
+  (master_doc, 'GHDL', u'GHDL Documentation', author, 'GHDL', 'VHDL simulator.', 'Miscellaneous'),
 ]
 
-# Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
-
-# If false, no module index is generated.
-#texinfo_domain_indices = True
-
-# How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
-
-# If true, do not generate a @detailmenu in the "Top" node's menu.
-#texinfo_no_detailmenu = False
+# -- Sphinx.Ext.InterSphinx -----------------------------------------------
 
-# ==============================================================================
-# Sphinx.Ext.InterSphinx
-# ==============================================================================
 intersphinx_mapping = {
    'python': ('https://docs.python.org/3.6/', None),
-   'poc': ('https://poc-library.readthedocs.io/en/release', None),
-#   'ghdl':   ('http://ghdl.readthedocs.io/en/latest', None)
+   'poc': ('https://poc-library.readthedocs.io/en/release', None)
 }
 
-# ==============================================================================
-# Sphinx.Ext.ExtLinks
-# ==============================================================================
+# -- Sphinx.Ext.ExtLinks --------------------------------------------------
 extlinks = {
    'wikipedia': ('https://en.wikipedia.org/wiki/%s', None),
    'ghdlsharp': ('https://github.com/ghdl/ghdl/issues/%s', '#'),