Add content type for the code snippets
@@ -28,7 +28,7 @@ difference that it uses 4 spaces rather than one tab for indentation.
Here's a `.vimrc` snippet that would use this style:
-```
+```vim
set tabstop=4
set shiftwidth=4
set softtabstop=4
@@ -44,7 +44,7 @@ Structs are prefixed with `st_` and suffixed with `_t`. Structs that are
not private to a single translation unit are typedef'ed and prefixed with
`h2o_`, and suffixed with `_t`:
-```
+```c
/* public struct */
typedef struct st_h2o_conn_t h2o_conn_t;
@@ -68,7 +68,7 @@ such as `h2o_process_request`, whereas private functions don't use one
Goto labels use upper case, and are indented with the matching code:
-```
+```c
void fn(const char *err)
{
if (global) {
