Properly escape ampersands inside HTML attributes

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@cryptocrack.de>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/html.c b/html.c
index a0f6db4..24a03a5 100644
--- a/html.c
+++ b/html.c
@@ -140,3 +140,3 @@ void html_attr(const char *txt)
                 int c = *t;
-                if (c=='<' || c=='>' || c=='\'' || c=='\"') {
+                if (c=='<' || c=='>' || c=='\'' || c=='\"' || c=='&') {
                         html_raw(txt, t - txt);
@@ -150,2 +150,4 @@ void html_attr(const char *txt)
                                 html("&quot;");
+                        else if (c=='&')
+                                html("&amp;");
                         txt = t+1;