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Date:   Fri, 6 Aug 2021 16:13:48 -0500
From:   "Paul A. Clarke" <pc@us.ibm.com>
To:     Stephen Brennan <stephen.s.brennan@oracle.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf script python: fix unintended underline
Message-ID: <20210806211348.GA66379@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com>
References: <20210806204502.110305-1-stephen.s.brennan@oracle.com>
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On Fri, Aug 06, 2021 at 01:45:01PM -0700, Stephen Brennan wrote:
> The text ranging from "subsystem__event_name" to
> "raw_syscalls__sys_enter()" is interpreted by asciidoc as a pair of
> unconstrained text formatting markers. The result is that the manual
> page displayed this text as underlined, and the HTML pages displayed
> this text as italicized. Escape the first double-underscore to prevent
> this.

I think it would be better to escape the second double-underscore as well,
to prevent the same problem recurring with future changes.

> diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt
> index 5e43cfa5ea1e..0250dc61cf98 100644
> --- a/tools/perf/Documentation/perf-script-python.txt
> +++ b/tools/perf/Documentation/perf-script-python.txt
> @@ -167,7 +167,7 @@ below).
> 
>  Following those are the 'event handler' functions generated one for
>  every event in the 'perf record' output.  The handler functions take
> -the form subsystem__event_name, and contain named parameters, one for
> +the form subsystem\__event_name, and contain named parameters, one for
>  each field in the event; in this case, there's only one event,
>  raw_syscalls__sys_enter().  (see the EVENT HANDLERS section below for

escape this    ^ , too.

>  more info on event handlers).
> -- 

PC