On 05/01/2014 10:26 PM, Daniel Colascione wrote:
> cc-mode has trouble with parsing dialects of C that use the preprocessor
> heavily. Consider this example from the Linux kernel:
> 
>   static int perf_event_period(struct perf_event *event, u64 __user *arg)
> 
> __user is defined to some GCC static analysis nonsense, but since
> cc-mode doesn't know that, we see __user fontified in
> font-lock-variable-name-face and *arg untouched. This example is fairly
> benign (if ugly), but there are other cases where variations in
> pre-processor C dialect confuse cc-mode in larger regions, leading to
> odd fontification and indentation.
> 
> The patch below adds customizable options for additional C-family
> language "keywords".

Ping. CC Alan.