updated blog pattern

Author: jsdnhk

collections/_posts/2020-11-01-post.md

@@ -9,9 +9,13 @@ comment: true
 ## Background
 
 To enable executable from source code in a project, it usually requires a set of command lines to work it out.
+
 In software development, this step is called 'building', however it's never be an easy task for human by input lines.
+
 As a result, since 1976, a build automation tool, [Make][make-wiki], was birth from Bell Lab to automate building process for C.
+
 Make can not only build up executable by defining file dependency ruleset, but also collect project tasks by listing.
+
 Thanks to this gift, a numerous of software projects are still using Make to manage and run the project procedures.
 
 ## Advantages
@@ -24,7 +28,9 @@ Thanks to this gift, a numerous of software projects are still using Make to man
 ## Usage
 
 Make searches the current directory for the makefile to use, then runs the specified target(s) from that file.
+
 Inside makefile, there are set of rule, it contains commands to build a target file from source files with dependencies.
+
 After that, you can specify particular target(s) to run task(s) or update file(s). The following is the structure of a rule,
 
 
@@ -33,10 +39,10 @@ After that, you can specify particular target(s) to run task(s) or update file(s
 # Common look of a rule
 # []: optional
 target1 [target2 ...]: [component1 ...]
-	[command 1]
-	[command 2]
-	...
-	[command n]
+#	[command 1]
+#	[command 2]
+#	...
+#	[command n]
 ```
 
 [make-wiki]:https://en.wikipedia.org/wiki/Make_(software)