[PATCH] Properly escape ampersands inside HTML attributes

[Lukas Fleischer]

Ampersands ("&") appearing inside HTML attributes need to be translated
to "&". Otherwise, invalid XHTML will be generated at various
places, such as at tree views containing links to submodules.

Signed-off-by: Lukas Fleischer <cgit at cryptocrack.de>
---
 html.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/html.c b/html.c
index 4a18a57..eb1c25d 100644
--- a/html.c
+++ b/html.c
@@ -138,7 +138,7 @@ void html_attr(const char *txt)
 	const char *t = txt;
 	while(t && *t){
 		int c = *t;
-		if (c=='<' || c=='>' || c=='\'' || c=='\"') {
+		if (c=='<' || c=='>' || c=='\'' || c=='\"' || c=='&') {
 			html_raw(txt, t - txt);
 			if (c=='>')
 				html(">");
@@ -148,6 +148,8 @@ void html_attr(const char *txt)
 				html("&#x27;");
 			else if (c=='"')
 				html(""");
+			else if (c=='&')
+				html("&");
 			txt = t+1;
 		}
 		t++;
-- 
1.7.5.2