linux-kernel - [PATCH] kernel-doc: fix leading dot in man-mode output

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Message-Id: <20070523205940.5bc4fdb2.randy.dunlap@oracle.com>
Date:	Wed, 23 May 2007 20:59:40 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>
Subject: [PATCH] kernel-doc: fix leading dot in man-mode output

From: Randy Dunlap <randy.dunlap@...cle.com>

If a parameter description begins with a '.', this indicates a
"request" for "man" mode output (*roff), so it needs special
handling.

Problem case is in include/asm-i386/atomic.h for function
atomic_add_unless():
 * @u: ...unless v is equal to u.
This parameter description is currently not printed in man mode output.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 scripts/kernel-doc |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- linux-2.6.21-rc2-git4.orig/scripts/kernel-doc
+++ linux-2.6.21-rc2-git4/scripts/kernel-doc
@@ -384,8 +384,13 @@ sub output_highlight {
       if ($line eq ""){
 	    print $lineprefix, $blankline;
 	} else {
-            $line =~ s/\\\\\\/\&/g;
-	    print $lineprefix, $line;
+	    $line =~ s/\\\\\\/\&/g;
+	    if ($output_mode eq "man" && substr($line, 0, 1) eq ".") {
+		print "\\{$line";
+	    }
+	    else {
+		print $lineprefix, $line;
+	    }
 	}
 	print "\n";
     }
-
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