Add text language to code bloks in machine-readable-output.md

jhbabon · jhbabon · commit 665aa7fe7e83 · 2016-11-01T18:16:55.000+01:00
Travis fails when running `make doc` because of this file.
This should fix the issue.
diff --git a/src/doc/machine-readable-output.md b/src/doc/machine-readable-output.md
@@ -7,7 +7,7 @@ Cargo can output information about project and build in JSON format.
 You can use `cargo metadata` command to get information about project structure
 and dependencies. The output of the command looks like this:
 
-```
+```text
 {
   // Integer version number of the format.
   "version": integer,
@@ -59,7 +59,7 @@ without waiting for the whole build to finish.
 
 The message format looks like this:
 
-```
+```text
 {
   // Type of the message.
   "reason": "compiler-message",

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@ Cargo can output information about project and build in JSON format.`
`7`	`7`	You can use `cargo metadata` command to get information about project structure
`8`	`8`	`and dependencies. The output of the command looks like this:`
`9`	`9`
`10`		-```
	`10`	+```text
`11`	`11`	`{`
`12`	`12`	`// Integer version number of the format.`
`13`	`13`	`"version": integer,`
`@@ -59,7 +59,7 @@ without waiting for the whole build to finish.`
`59`	`59`
`60`	`60`	`The message format looks like this:`
`61`	`61`
`62`		-```
	`62`	+```text
`63`	`63`	`{`
`64`	`64`	`// Type of the message.`
`65`	`65`	`"reason": "compiler-message",`