make header format yaml

system/makefiles/graph-easy.md

@@ -1,6 +1,9 @@
 ---
-title: "Makefile Graphs"
-tags: [ "system", "make", "graph" ]
+title: Makefile Graphs
+tags: 
+- system
+- make
+- graph
 ---
 
 If you have `graph-easy` (often in the package `perl-graph-easy` or similar), you can make a graph from the makefile with `make2graph` (the package is often called `makefile2graph`).

system/makefiles/help.md

@@ -1,6 +1,9 @@
 ---
-title: "make help target"
-tags: [ "system", "make", "help" ]
+title: make help target
+tags: 
+- system
+- make
+- help
 ---
 
 Make your first target 'help' to give an overview of the main targets.

system/makefiles/patterns.md

@@ -1,6 +1,8 @@
 ---
-title: "Makefile Patterns"
-tags: [ "system", "make" ]
+title: Makefile Patterns
+tags: 
+- system
+- make
 ---
 
 Using the [basic example](../makefiles.md), you can make a complete backup of all backup files.

system/makefiles/python_projects.md

@@ -1,7 +1,13 @@
 ---
-title: "Python Projects with Makefiles"
-tags: [ "tutorial", "system", "makefiles", "graphviz", "python" ]
-requires: [ "makefiles" ]
+title: Python Projects with Makefiles
+tags: 
+- tutorial
+- system
+- makefiles
+- graphviz
+- python
+requires: 
+- makefiles
 ---
 
 If you have a python script which requires a packages - e.g. `graphviz` - you can automate the setup with a `Makefile`.