test, docs: Restrict long lines in markdown linter

It's getting out of hand...

README.md

@@ -49,18 +49,26 @@ Please read, enjoy and help improve our documentation!
 ## Questions:
 
 Please ask in the [community](#community)!
-If you have a well phrased question that might benefit others, consider asking it by sending a patch to the [FAQ](docs/faq.md) section. I'll merge your question, and a patch with the answer!
+If you have a well phrased question that might benefit others, consider asking
+it by sending a patch to the [FAQ](docs/faq.md) section. I'll merge your
+question, and a patch with the answer!
 
 ## Roadmap:
 
-Feel free to grab one of the straightforward [#mgmtlove](https://github.com/purpleidea/mgmt/labels/mgmtlove) issues if you're a first time contributor to the project or if you're unsure about what to hack on!
+Feel free to grab one of the straightforward [#mgmtlove](https://github.com/purpleidea/mgmt/labels/mgmtlove)
+issues if you're a first time contributor to the project or if you're unsure
+about what to hack on!
 Please see: [TODO.md](TODO.md) for a list of upcoming work and TODO items.
-Please get involved by working on one of these items or by suggesting something else!
+Please get involved by working on one of these items or by suggesting something
+else!
 
 ## Bugs:
 
-Please set the `DEBUG` constant in [main.go](https://github.com/purpleidea/mgmt/blob/master/main.go) to `true`, and post the logs when you report the [issue](https://github.com/purpleidea/mgmt/issues).
+Please set the `DEBUG` constant in [main.go](https://github.com/purpleidea/mgmt/blob/master/main.go)
-Bonus points if you provide a [shell](https://github.com/purpleidea/mgmt/tree/master/test/shell) or [OMV](https://github.com/purpleidea/mgmt/tree/master/test/omv) reproducible test case.
+to `true`, and post the logs when you report the [issue](https://github.com/purpleidea/mgmt/issues).
+Bonus points if you provide a [shell](https://github.com/purpleidea/mgmt/tree/master/test/shell)
+or [OMV](https://github.com/purpleidea/mgmt/tree/master/test/omv) reproducible
+test case.
 Feel free to read my article on [debugging golang programs](https://purpleidea.com/blog/2016/02/15/debugging-golang-programs/).
 
 ## Patches:

docs/documentation.md

@@ -21,12 +21,13 @@ For more information, you may like to read some blog posts from the author:
 * [Send/Recv in mgmt](https://purpleidea.com/blog/2016/12/07/sendrecv-in-mgmt/)
 * [Metaparameters in mgmt](https://purpleidea.com/blog/2017/03/01/metaparameters-in-mgmt/)
 
-There is also an [introductory video](https://www.youtube.com/watch?v=LkEtBVLfygE&html5=1) available.
+There is also an [introductory video](https://www.youtube.com/watch?v=LkEtBVLfygE&html5=1)
-Older videos and other material [is available](on-the-web.md).
+available. Older videos and other material [is available](on-the-web.md).
 
 ## Setup
 
-You'll probably want to read the [quick start guide](quick-start-guide.md) to get going.
+You'll probably want to read the [quick start guide](quick-start-guide.md) to
+get going.
 
 ## Features
 
@@ -366,8 +367,8 @@ GOTAGS="noaugeas novirt" make build
 
 ## Examples
 
-For example configurations, please consult the [examples/](https://github.com/purpleidea/mgmt/tree/master/examples) directory in the git
+For example configurations, please consult the [examples/](https://github.com/purpleidea/mgmt/tree/master/examples)
-source repository. It is available from:
+directory in the git source repository. It is available from:
 
 [https://github.com/purpleidea/mgmt/tree/master/examples](https://github.com/purpleidea/mgmt/tree/master/examples)
 

docs/language-guide.md

@@ -53,7 +53,8 @@ can be impossible to infer the item's type.
 #### map
 
 An unordered set of unique keys of the same type and corresponding value pairs
-of another type, eg: `{"boiling" => 100, "freezing" => 0, "room" => "25", "house" => 22, "canada" => -30,}`.
+of another type, eg:
+`{"boiling" => 100, "freezing" => 0, "room" => "25", "house" => 22, "canada" => -30,}`.
 That is to say, all of the keys must have the same type, and all of the values
 must have the same type. You can use any type for either, although it is
 probably advisable to avoid using very complex types as map keys.

docs/prometheus.md

@@ -31,7 +31,8 @@ Here is a list of the metrics we provide:
 - `mgmt_checkapply_total`: The number of CheckApply's that mgmt has run
 - `mgmt_failures_total`: The number of resources that have failed
 - `mgmt_failures`: The number of resources that have failed
-- `mgmt_graph_start_time_seconds`: Start time of the current graph since unix epoch in seconds
+- `mgmt_graph_start_time_seconds`: Start time of the current graph since unix
+epoch in seconds
 
 For each metric, you will get some extra labels:
 

misc/emacs/README.md

@@ -3,10 +3,12 @@
 
 # `mgmtconfig-mode`
 
-[Mgmt](https://github.com/purpleidea/mgmt/) is a distributed, event-driven, parallel configuration management tool.
+[Mgmt](https://github.com/purpleidea/mgmt/) is a distributed, event-driven,
+parallel configuration management tool.
 
 `mgmtconfig-mode` is an Emacs major mode for editing the [mgmt language](https://purpleidea.com/blog/2018/02/05/mgmt-configuration-language/).
 
 ## Installation
 
-See the MELPA Emacs Lisp package archive’s [getting started](https://melpa.org/#/getting-started) guide.  Then, select “Options → Manage Emacs Packages” from the menu in Emacs.
+See the MELPA Emacs Lisp package archive’s [getting started](https://melpa.org/#/getting-started)
+guide. Then, select “Options → Manage Emacs Packages” from the menu in Emacs.

test/test-markdownlint.sh

@@ -22,7 +22,6 @@ cat << 'EOF' > $STYLE
 all
 exclude_rule 'MD010'	# Hard tabs
 exclude_rule 'MD032'	# Lists should be surrounded by blank lines
-exclude_rule 'MD013'	# Line length
 exclude_rule 'MD040'	# Fenced code blocks should have a language specified
 exclude_rule 'MD026'	# Trailing punctuation in header
 exclude_rule 'MD024'	# Multiple headers with the same content
@@ -35,6 +34,9 @@ exclude_rule 'MD029'	# Ordered list item prefix
 
 # FIXME: bug: https://github.com/markdownlint/markdownlint/issues/182
 exclude_rule 'MD039'	# Spaces inside link text
+
+# Line length
+rule 'MD013', :line_length => 80, :code_blocks => false, :tables => false
 EOF
 
 #STYLE="test/mdl.style"	# style file