<s>
K-Meleon	B-Protocol
is	O
a	O
free	B-License
and	I-License
open-source	I-License
,	O
lightweight	O
web	B-Application
browser	I-Application
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Unlike	O
cross-platform	B-Operating_System
browsers	B-Application
,	O
it	O
uses	O
the	O
native	O
Windows	B-Library
API	I-Library
to	O
create	O
its	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Early	O
versions	O
of	O
K-Meleon	B-Protocol
render	O
web	O
pages	O
with	O
Gecko	B-Language
,	O
Mozilla	B-Operating_System
's	O
browser	B-Application
layout	O
engine	O
.	O
</s>
<s>
The	O
Firefox	B-Application
web	I-Application
browser	I-Application
and	O
the	O
Mozilla	B-Application
Thunderbird	I-Application
email	B-Protocol
client	O
also	O
use	O
Gecko	B-Language
.	O
</s>
<s>
K-Meleon	B-Protocol
became	O
a	O
popular	O
browser	B-Application
for	O
Windows	O
and	O
was	O
available	O
as	O
an	O
optional	O
default	B-General_Concept
browser	B-Application
in	O
Europe	O
via	O
BrowserChoice.eu	O
.	O
</s>
<s>
After	O
Mozilla	B-Operating_System
deprecated	B-General_Concept
embedding	O
Gecko	B-Language
,	O
K-Meleon	B-Protocol
continued	O
to	O
use	O
it	O
for	O
several	O
years	O
.	O
</s>
<s>
Current	O
versions	O
of	O
K-Meleon	B-Protocol
use	O
the	O
Goanna	B-Language
layout	I-Language
engine	I-Language
.	O
</s>
<s>
Goanna	B-Language
is	O
a	O
fork	B-Application
of	O
Gecko	B-Language
created	O
for	O
the	O
Pale	B-Protocol
Moon	I-Protocol
browser	I-Protocol
.	O
</s>
<s>
K-Meleon	B-Protocol
began	O
with	O
the	O
goal	O
of	O
being	O
faster	O
and	O
lighter	O
than	O
Mozilla	B-Language
's	I-Language
original	I-Language
internet	I-Language
suite	I-Language
.	O
</s>
<s>
Until	O
2011	O
,	O
K-Meleon	B-Protocol
embedded	O
Gecko	B-Language
in	O
a	O
stripped-down	O
interface	O
.	O
</s>
<s>
Throughout	O
its	O
lifespan	O
,	O
K-Meleon	B-Protocol
has	O
required	O
small	O
amounts	O
of	O
memory	B-Architecture
.	O
</s>
<s>
K-Meleon	B-Protocol
76	O
supports	O
platforms	O
no	O
longer	O
supported	O
by	O
Mozilla	B-Operating_System
after	O
the	O
Firefox	B-Application
Quantum	O
rewrite	O
,	O
like	O
Windows	B-Application
XP	I-Application
and	O
Windows	B-Application
Vista	I-Application
.	O
</s>
<s>
Customization	O
is	O
another	O
primary	O
design	O
goal	O
of	O
K-Meleon	B-Protocol
.	O
</s>
<s>
Users	O
can	O
change	O
the	O
toolbars	O
,	O
menus	O
,	O
and	O
keyboard	O
shortcuts	O
from	O
text-based	B-General_Concept
configuration	B-Protocol
files	I-Protocol
.	O
</s>
<s>
Besides	O
conventional	O
extensions	B-Protocol
,	O
K-Meleon	B-Protocol
also	O
supports	O
macros	O
.	O
</s>
<s>
Macros	O
are	O
small	O
,	O
human-readable	O
extensions	B-Protocol
.	O
</s>
<s>
Users	O
can	O
examine	O
,	O
write	O
,	O
or	O
edit	O
them	O
in	O
a	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
'	O
s	O
custom	O
configuration	B-Protocol
files	I-Protocol
can	O
trigger	O
macros	O
.	O
</s>
<s>
Due	O
to	O
its	O
adaptability	O
,	O
K-Meleon	B-Protocol
was	O
recommended	O
for	O
internet	O
cafes	O
and	O
libraries	O
in	O
the	O
early	O
2000s	O
.	O
</s>
<s>
Christophe	O
Thibault	O
started	O
the	O
K-Meleon	B-Protocol
project	O
in	O
the	O
2000s	O
,	O
when	O
many	O
new	O
browsers	B-Application
launched	O
.	O
</s>
<s>
To	O
open-source	B-License
their	O
once-dominant	O
Netscape	B-Protocol
Communicator	I-Protocol
internet	O
suite	O
,	O
Netscape	B-Protocol
founded	O
the	O
Mozilla	B-Operating_System
project	I-Operating_System
.	O
</s>
<s>
K-Meleon	B-Protocol
was	O
one	O
of	O
several	O
browsers	B-Application
to	O
use	O
Mozilla	B-Operating_System
's	O
Gecko	B-Language
web	O
engine	O
in	O
a	O
stripped-down	O
interface	O
.	O
</s>
<s>
The	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
used	O
Gecko	B-Language
both	O
to	O
render	O
pages	O
and	O
create	O
graphical	O
interface	O
elements	O
like	O
toolbars	O
and	O
menus	O
.	O
</s>
<s>
Christophe	O
Thibault	O
designed	O
K-Meleon	B-Protocol
to	O
combine	O
Gecko	B-Language
with	O
native	O
Windows	O
interface	O
elements	O
.	O
</s>
<s>
This	O
approach	O
was	O
less	O
resource-intensive	O
and	O
allowed	O
the	O
browser	B-Application
to	O
blend	O
into	O
its	O
environment	O
.	O
</s>
<s>
Christophe	O
Thibault	O
released	O
K-Meleon	B-Protocol
0.1	O
on	O
August	O
21	O
,	O
2000	O
.	O
</s>
<s>
He	O
began	O
by	O
building	O
and	O
branding	O
Mozilla	B-Operating_System
's	O
test	O
application	O
for	O
embedding	O
the	O
Gecko	B-Language
layout	I-Language
engine	I-Language
.	O
</s>
<s>
K-Meleon	B-Protocol
0.1	O
was	O
simple	O
but	O
attracted	O
attention	O
to	O
the	O
project	O
.	O
</s>
<s>
For	O
the	O
0.2	O
release	O
,	O
Thibault	O
implemented	O
expected	O
features	O
like	O
context	O
menus	O
,	O
and	O
he	O
moved	O
development	O
to	O
SourceForge	B-Application
to	O
welcome	O
contributors	B-Application
.	O
</s>
<s>
They	O
began	O
moving	O
browser	B-Application
functions	O
into	O
a	O
modular	O
system	O
of	O
Kplugins	B-Library
.	O
</s>
<s>
The	O
K-Meleon	B-Protocol
team	O
released	O
new	O
versions	O
with	O
features	O
like	O
pop-up	O
blocking	O
and	O
cookie	O
management	O
,	O
and	O
they	O
introduced	O
text-based	B-General_Concept
configuration	B-Protocol
files	I-Protocol
or	O
configs	O
.	O
</s>
<s>
These	O
provided	O
a	O
way	O
to	O
customize	O
the	O
browser	B-Application
or	O
hide	O
interface	O
elements	O
,	O
along	O
with	O
a	O
macro	O
language	O
for	O
users	O
to	O
extend	O
the	O
browser	B-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
was	O
built	O
with	O
open-source	B-License
code	O
from	O
Mozilla	B-Operating_System
but	O
its	O
narrower	O
focus	O
offered	O
advantages	O
over	O
the	O
Mozilla	B-Language
Application	I-Language
Suite	I-Language
.	O
</s>
<s>
The	O
suite	O
bundled	O
components	O
beyond	O
a	O
web	B-Application
browser	I-Application
including	O
applications	O
for	O
email	B-Protocol
,	O
news	B-Protocol
,	O
chat	B-Protocol
,	O
and	O
webpage	B-General_Concept
editing	I-General_Concept
.	O
</s>
<s>
To	O
create	O
a	O
stand-alone	O
browser	B-Application
,	O
the	O
Galeon	B-Language
project	O
embedded	O
Mozilla	B-Operating_System
's	O
rendering	O
engine	O
.	O
</s>
<s>
Galeon	B-Language
was	O
released	O
for	O
Linux	B-Application
,	O
using	O
GNOME	B-Application
's	O
widget	O
toolkit	O
,	O
GTK	B-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
brought	O
a	O
similar	O
approach	O
to	O
Windows	O
,	O
using	O
the	O
native	O
Windows	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
to	O
create	O
a	O
lightweight	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
The	O
K-Meleon	B-Protocol
developers	O
were	O
able	O
to	O
release	O
a	O
stand-alone	O
web	B-Application
browser	I-Application
on	O
Windows	O
two	O
years	O
before	O
the	O
Firefox	B-Application
alpha	O
release	O
.	O
</s>
<s>
Mozilla	B-Operating_System
created	O
user	B-Application
interfaces	I-Application
via	O
their	O
cross-platform	B-Operating_System
XML	B-Application
User	I-Application
Interface	I-Application
Language	I-Application
(	O
XUL	B-Application
)	O
layer	O
.	O
</s>
<s>
This	O
technology	O
used	O
Gecko	B-Language
to	O
lay	O
out	O
an	O
application	O
's	O
interface	O
.	O
</s>
<s>
XUL	B-Application
allowed	O
Mozilla	B-Operating_System
to	O
build	O
one	O
application	O
for	O
multiple	O
operating	B-General_Concept
systems	I-General_Concept
but	O
generated	O
graphical	O
controls	O
that	O
did	O
not	O
match	O
the	O
rest	O
of	O
the	O
system	O
.	O
</s>
<s>
K-Meleon	B-Protocol
required	O
less	O
memory	B-Architecture
and	O
was	O
more	O
closely	O
integrated	O
into	O
the	O
Windows	O
desktop	O
.	O
</s>
<s>
It	O
could	O
even	O
use	O
the	O
native	O
bookmarking	O
system	O
to	O
access	O
Internet	B-Application
Explorer	I-Application
's	O
favorites	O
.	O
</s>
<s>
This	O
approach	O
of	O
embedding	O
Gecko	B-Language
into	O
a	O
native	O
interface	O
was	O
also	O
used	O
by	O
Camino	B-Language
on	O
macOS	B-Application
.	O
</s>
<s>
Mozilla	B-Operating_System
programmers	O
cited	O
the	O
existing	O
stand-alone	O
browsers	B-Application
when	O
they	O
began	O
developing	O
Firefox	B-Application
,	O
and	O
Mozilla	B-Operating_System
publicly	O
referred	O
to	O
K-Meleon	B-Protocol
in	O
Firefox	B-Application
's	O
initial	O
alpha	O
release	O
.	O
</s>
<s>
Dave	O
Hyatt	O
was	O
a	O
founding	O
developer	O
for	O
Safari	B-Application
,	O
Firefox	B-Application
,	O
and	O
Camino	B-Language
.	O
</s>
<s>
Hyatt	O
criticized	O
Mozilla	B-Operating_System
and	O
Netscape	B-Protocol
's	O
work	O
on	O
the	O
internet	O
suite	O
in	O
contrast	O
to	O
focused	O
projects	O
.	O
</s>
<s>
He	O
stated	O
,	O
"	O
You	O
do	O
n't	O
see	O
Galeon	B-Language
UI	B-Application
designers	I-Application
trying	O
to	O
co-develop	O
their	O
UI	O
with	O
the	O
rest	O
of	O
the	O
world	O
,	O
nor	O
do	O
you	O
see	O
that	O
with	O
 [ ... ] 	O
K-Meleon.	O
"	O
</s>
<s>
During	O
the	O
time	O
that	O
Mozilla	B-Operating_System
maintained	O
an	O
embeddable	O
Gecko	B-Language
engine	I-Language
,	O
they	O
showcased	O
stand-alone	O
browsers	B-Application
including	O
K-Meleon	B-Protocol
as	O
examples	O
of	O
the	O
embedding	O
technology	O
.	O
</s>
<s>
By	O
October	O
2002	O
,	O
K-Meleon	B-Protocol
0.7	O
included	O
many	O
of	O
the	O
browser	B-Application
's	O
features	O
and	O
rendered	O
pages	O
with	O
the	O
Mozilla	B-Operating_System
1.0	O
engine	O
.	O
</s>
<s>
Version	O
0.7	O
implemented	O
skins	B-Application
stored	O
in	O
separate	O
folders	O
to	O
theme	O
the	O
browser	B-Application
's	O
appearance	O
.	O
</s>
<s>
On	O
an	O
API	B-Application
level	O
,	O
layers	O
implemented	O
tabs	O
as	O
separate	O
stacked	O
windows	O
.	O
</s>
<s>
Despite	O
AOL	O
disbanding	O
upstream	B-General_Concept
parent	O
company	O
Netscape	B-Protocol
in	O
2003	O
,	O
K-Meleon	B-Protocol
continued	O
development	O
.	O
</s>
<s>
Mozilla	B-Operating_System
continued	O
work	O
on	O
Gecko	B-Language
,	O
and	O
K-Meleon	B-Protocol
itself	O
was	O
refined	O
with	O
service	O
packs	O
and	O
the	O
incremental	O
0.8	O
release	O
.	O
</s>
<s>
He	O
was	O
the	O
project	O
's	O
developer	O
but	O
stated	O
that	O
he	O
was	O
no	O
longer	O
using	O
K-Meleon	B-Protocol
as	O
his	O
primary	O
browser	B-Application
after	O
moving	O
to	O
Linux	B-Application
.	O
</s>
<s>
Released	O
in	O
July	O
2006	O
,	O
K-Meleon	B-Protocol
1.0	O
made	O
the	O
browser	B-Application
fully	O
translatable	O
.	O
</s>
<s>
Previous	O
versions	O
could	O
be	O
translated	O
because	O
they	O
were	O
open-source	B-License
.	O
</s>
<s>
The	O
source	O
code	O
could	O
be	O
downloaded	O
,	O
the	O
source	O
files	O
translated	O
,	O
the	O
browser	B-Application
code	O
recompiled	O
,	O
and	O
the	O
resulting	O
application	O
distributed	O
under	O
an	O
open-source	B-License
license	O
.	O
</s>
<s>
Version	O
1.0	O
stored	O
localizations	O
in	O
separate	O
library	O
and	O
config	B-Protocol
files	I-Protocol
within	O
existing	O
K-Meleon	B-Protocol
installations	O
.	O
</s>
<s>
Parts	O
of	O
the	O
browser	B-Application
could	O
be	O
translated	O
in	O
a	O
basic	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
1.0	O
maintained	O
support	O
for	O
its	O
existing	O
system	O
of	O
text-based	B-General_Concept
configuration	B-Protocol
files	I-Protocol
and	O
introduced	O
a	O
new	O
graphical	O
interface	O
to	O
change	O
preferences	B-General_Concept
from	O
within	O
the	O
browser	B-Application
.	O
</s>
<s>
Earlier	O
versions	O
placed	O
all	O
of	O
the	O
macros	O
into	O
a	O
single	O
config	B-Protocol
file	I-Protocol
.	O
</s>
<s>
To	O
make	O
the	O
macros	O
more	O
manageable	O
,	O
K-Meleon	B-Protocol
developers	O
separated	O
them	O
into	O
module	O
files	O
.	O
</s>
<s>
K-Meleon	B-Protocol
versions	O
released	O
since	O
have	O
further	O
expanded	O
this	O
system	O
.	O
</s>
<s>
Macro	O
modules	O
,	O
menu	O
configuration	B-Protocol
files	I-Protocol
,	O
and	O
accelerator	O
configuration	B-Protocol
files	I-Protocol
were	O
also	O
split	O
into	O
a	O
default	B-General_Concept
stored	O
in	O
the	O
browser	B-Application
's	O
folder	B-Application
,	O
and	O
customizations	O
stored	O
in	O
a	O
user	O
's	O
profile	O
as	O
part	O
of	O
the	O
transition	O
to	O
a	O
multi-user	O
design	O
.	O
</s>
<s>
In	O
Europe	O
,	O
version	O
1.5	O
was	O
an	O
optional	O
default	B-General_Concept
Windows	O
browser	B-Application
through	O
Microsoft	O
's	O
browser	B-Application
ballot	O
.	O
</s>
<s>
Due	O
to	O
accusations	O
of	O
abusing	O
their	O
market	O
position	O
to	O
push	O
Internet	B-Application
Explorer	I-Application
,	O
Microsoft	O
introduced	O
a	O
browser	B-Application
ballot	O
in	O
the	O
European	O
Economic	O
Area	O
.	O
</s>
<s>
By	O
2010	O
,	O
they	O
offered	O
Windows	O
users	O
a	O
choice	O
of	O
the	O
12	O
most	O
popular	O
web	B-Application
browsers	I-Application
including	O
K-Meleon	B-Protocol
.	O
</s>
<s>
In	O
2011	O
,	O
Mozilla	B-Operating_System
dropped	O
support	O
for	O
embedding	O
the	O
Gecko	B-Language
layout	I-Language
engine	I-Language
.	O
</s>
<s>
As	O
K-Meleon	B-Protocol
had	O
previously	O
relied	O
on	O
this	O
API	B-Application
to	O
combine	O
Mozilla	B-Operating_System
's	O
display	O
engine	O
with	O
its	O
native	O
Windows	O
interface	O
,	O
this	O
left	O
the	O
future	O
of	O
the	O
browser	B-Application
uncertain	O
.	O
</s>
<s>
The	O
situation	O
also	O
left	O
the	O
future	O
of	O
other	O
embedded	O
Gecko	B-Language
browsers	B-Application
unclear	O
.	O
</s>
<s>
Camino	B-Language
's	O
developers	O
initially	O
explored	O
transitioning	O
to	O
the	O
WebKit	B-Language
rendering	O
engine	O
.	O
</s>
<s>
Later	O
,	O
they	O
discontinued	O
the	O
Mac-only	O
browser	B-Application
altogether	O
.	O
</s>
<s>
Marco	O
Gritti	O
,	O
the	O
lead	O
developer	O
of	O
Galeon	B-Language
had	O
already	O
forked	O
that	O
project	O
to	O
create	O
GNOME	B-Language
Web	I-Language
,	O
and	O
that	O
new	O
browser	B-Application
had	O
switched	O
to	O
a	O
WebKit	B-Language
backend	O
.	O
</s>
<s>
GNOME	B-Language
Web	I-Language
developer	O
Christian	O
Persch	O
described	O
Mozilla	B-Operating_System
's	O
support	O
for	O
embedding	O
Gecko	B-Language
on	O
Linux	B-Application
as	O
,	O
"	O
unmaintained	O
and	O
stagnant.	O
"	O
</s>
<s>
After	O
years	O
without	O
an	O
official	O
,	O
stable	O
release	O
,	O
the	O
K-Meleon	B-Protocol
group	O
began	O
development	O
on	O
version	O
74	O
in	O
2013	O
.	O
</s>
<s>
While	O
Mozilla	B-Operating_System
had	O
ended	O
support	O
for	O
embedding	O
Gecko	B-Language
,	O
they	O
still	O
maintained	O
a	O
technology	O
called	O
XULRunner	B-Language
.	O
</s>
<s>
XULRunner	B-Language
was	O
a	O
stand-alone	O
implementation	O
of	O
the	O
Gecko	B-Language
engine	I-Language
designed	O
to	O
launch	O
applications	O
.	O
</s>
<s>
K-Meleon	B-Protocol
74	O
used	O
XULRunner	B-Language
instead	O
of	O
Mozilla	B-Operating_System
's	O
deprecated	B-General_Concept
embedding	O
software	O
.	O
</s>
<s>
Version	O
74	O
can	O
run	O
on	O
Windows	B-Application
2000	I-Application
and	O
receives	O
occasional	O
updates	O
.	O
</s>
<s>
K-Meleon	B-Protocol
75	O
was	O
released	O
in	O
2015	O
with	O
spellcheck	O
,	O
form	O
auto-completion	O
,	O
and	O
a	O
new	O
skin	O
system	O
.	O
</s>
<s>
For	O
high-resolution	O
monitors	O
,	O
a	O
pixel-based	O
interface	O
could	O
result	O
in	O
either	O
tiny	O
icons	O
or	O
a	O
blurry	O
up-scaled	O
browser	B-Application
.	O
</s>
<s>
Version	O
75	O
introduced	O
a	O
skin	O
system	O
that	O
allowed	O
end	O
users	O
to	O
adjust	B-Algorithm
the	O
icon	O
size	O
,	O
and	O
would	O
automatically	O
adjust	B-Algorithm
the	O
default	B-General_Concept
icon	O
size	O
to	O
a	O
degree	O
.	O
</s>
<s>
It	O
supports	O
icon	O
formats	O
like	O
PNG	O
and	O
a	O
new	O
type	O
of	O
config	B-Protocol
file	I-Protocol
to	O
define	O
icons	O
at	O
multiple	O
sizes	O
.	O
</s>
<s>
Active	O
development	O
on	O
K-Meleon	B-Protocol
takes	O
place	O
using	O
Goanna	B-Language
.	O
</s>
<s>
With	O
Firefox	B-Application
Quantum	O
,	O
Mozilla	B-Operating_System
rewrote	O
core	O
parts	O
of	O
the	O
Gecko	B-Language
engine	I-Language
from	O
the	O
ground	O
up	O
.	O
</s>
<s>
The	O
Goanna	B-Language
engine	I-Language
is	O
a	O
fork	B-Application
of	O
the	O
Gecko	B-Language
engine	I-Language
created	O
by	O
Pale	B-Protocol
Moon	I-Protocol
developers	O
.	O
</s>
<s>
Roytam	O
forked	O
K-Meleon	B-Protocol
76	O
in	O
2017	O
to	O
run	O
on	O
the	O
Goanna	B-Language
engine	I-Language
.	O
</s>
<s>
Using	O
this	O
forked	O
engine	O
allows	O
K-Meleon	B-Protocol
to	O
support	O
platforms	O
abandoned	O
by	O
mainstream	O
browsers	B-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
remains	O
compatible	O
with	O
Windows	B-Application
XP	I-Application
and	O
can	O
run	O
with	O
low	O
amounts	O
of	O
random	B-Architecture
access	I-Architecture
memory	I-Architecture
(	O
RAM	B-Architecture
)	O
.	O
</s>
<s>
K-Meleon	B-Protocol
has	O
low	O
memory	B-Architecture
requirements	O
even	O
compared	O
to	O
other	O
actively	O
developed	O
low-resource	O
browsers	B-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
is	O
updated	O
on	O
a	O
rolling	O
release	O
schedule	O
.	O
</s>
<s>
By	O
default	B-General_Concept
,	O
the	O
browser	B-Application
is	O
a	O
multi-lingual	O
portable	O
application	O
that	O
can	O
run	O
directly	O
from	O
the	O
host	O
computer	O
or	O
removable	O
media	O
.	O
</s>
<s>
It	O
is	O
also	O
included	O
in	O
the	O
PortableApps.com	B-Application
repository	O
.	O
</s>
<s>
Customization	O
of	O
K-Meleon	B-Protocol
'	O
s	O
interface	O
is	O
possible	O
using	O
text-format	O
configuration	B-Protocol
files	I-Protocol
,	O
or	O
configs	O
.	O
</s>
<s>
The	O
menus	O
,	O
keyboard	O
shortcuts	O
,	O
and	O
more	O
can	O
all	O
be	O
customized	O
via	O
K-Meleon	B-Protocol
'	O
s	O
configuration	B-Protocol
files	I-Protocol
.	O
</s>
<s>
These	O
configuration	B-Protocol
files	I-Protocol
can	O
,	O
in	O
turn	O
,	O
call	O
upon	O
macros	O
.	O
</s>
<s>
K-Meleon	B-Protocol
'	O
s	O
macros	O
are	O
a	O
type	O
of	O
extension	O
that	O
can	O
also	O
be	O
opened	O
in	O
a	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
program	O
could	O
be	O
written	O
in	O
K-Meleon	B-Protocol
'	O
s	O
macro	O
language	O
as	O
below	O
.	O
</s>
<s>
To	O
trigger	O
the	O
macro	O
above	O
,	O
a	O
keyboard	O
accelerator	O
could	O
be	O
created	O
by	O
adding	O
the	O
code	O
below	O
to	O
the	O
accelerator	O
configuration	B-Protocol
file	I-Protocol
.	O
</s>
<s>
This	O
combination	O
of	O
configuration	B-Protocol
files	I-Protocol
and	O
macro	O
modules	O
provides	O
control	O
over	O
much	O
of	O
the	O
browser	B-Application
.	O
</s>
<s>
It	O
also	O
creates	O
a	O
learning	O
curve	O
for	O
customization	O
that	O
is	O
not	O
present	O
in	O
most	O
browsers	B-Application
.	O
</s>
<s>
Popular	O
browsers	B-Application
use	O
systems	O
like	O
WebExtensions	B-Operating_System
for	O
customization	O
where	O
there	O
is	O
a	O
separation	O
between	O
end	O
users	O
and	O
extension	O
developers	O
.	O
</s>
<s>
K-Meleon	B-Protocol
never	O
had	O
a	O
community	O
of	O
extension	O
developers	O
as	O
large	O
as	O
those	O
of	O
Firefox	B-Application
or	O
Chrome	B-Application
.	O
</s>
<s>
The	O
most	O
popular	O
browser	B-Application
in	O
2020	O
was	O
Google	O
Chrome	B-Application
which	O
had	O
over	O
130,000	O
WebExtensions	B-Operating_System
available	O
for	O
download	O
.	O
</s>
<s>
K-Meleon	B-Protocol
supports	O
XUL-based	O
add-ons	B-Operating_System
like	O
those	O
previously	O
used	O
by	O
other	O
Mozilla	B-Operating_System
applications	O
but	O
lacks	O
direct	O
compatibility	O
with	O
those	O
written	O
for	O
Firefox	B-Application
.	O
</s>
<s>
Mozilla	B-Application
Firefox	I-Application
supported	O
XUL-based	O
add-ons	B-Operating_System
until	O
2018	O
.	O
</s>
<s>
When	O
the	O
Classic	O
Add-Ons	B-Operating_System
Archive	O
preserved	O
the	O
extensions	B-Operating_System
for	I-Operating_System
Firefox	I-Operating_System
in	O
2017	O
,	O
there	O
were	O
nearly	O
20,000	O
available	O
.	O
</s>
<s>
K-Meleon	B-Protocol
has	O
had	O
a	O
much	O
smaller	O
selection	O
,	O
despite	O
ports	O
of	O
some	O
extensions	B-Protocol
like	O
AdBlock	B-Application
Plus	I-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
'	O
s	O
flexibility	O
was	O
a	O
reason	O
that	O
it	O
was	O
useful	O
for	O
environments	O
where	O
the	O
browser	B-Application
needed	O
to	O
be	O
customized	O
for	O
general	O
public	O
use	O
,	O
such	O
as	O
libraries	O
and	O
internet	O
cafés	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
library	O
could	O
hide	O
interface	O
elements	O
(	O
like	O
the	O
address	O
bar	O
)	O
or	O
limit	O
the	O
computer	O
's	O
access	O
to	O
a	O
specific	O
online	O
resource	O
like	O
the	O
library	B-Library
catalog	I-Library
.	O
</s>
<s>
K-Meleon	B-Protocol
supports	O
legacy	O
versions	O
of	O
Windows	O
that	O
other	O
browser	B-Application
vendors	O
have	O
abandoned	O
.	O
</s>
<s>
Version	O
76	O
supports	O
Windows	B-Application
XP	I-Application
and	O
Windows	B-Application
Vista	I-Application
.	O
</s>
<s>
Windows	B-Application
XP	I-Application
was	O
released	O
in	O
2001	O
,	O
and	O
even	O
its	O
Windows	O
Embedded	O
POSReady	O
2009	O
variant	O
is	O
discontinued	O
as	O
of	O
2019	O
.	O
</s>
<s>
ReactOS	B-Application
,	O
the	O
open-source	B-License
implementation	O
of	O
Windows	O
,	O
only	O
targets	O
compatibility	O
up	O
to	O
the	O
discontinued	O
Windows	B-Application
Server	I-Application
2003	I-Application
.	O
</s>
<s>
The	O
latest	O
major	O
browser	B-Application
releases	O
to	O
support	O
these	O
platforms	O
are	O
Microsoft	O
's	O
Internet	B-Application
Explorer	I-Application
8	I-Application
from	O
2014	O
,	O
Google	O
Chrome	B-Application
50	O
from	O
2016	O
,	O
and	O
Mozilla	B-Application
Firefox	I-Application
52	O
from	O
2018	O
.	O
</s>
<s>
Web	B-Application
browsers	I-Application
cannot	O
access	O
secure	O
websites	O
if	O
they	O
do	O
not	O
support	O
Transport	B-Protocol
Layer	I-Protocol
Security	I-Protocol
(	O
TLS	O
)	O
encryption	O
via	O
HTTPS	B-Protocol
.	O
</s>
<s>
As	O
of	O
2018	O
,	O
most	O
web	O
pages	O
used	O
TLS	B-Protocol
encryption	I-Protocol
.	O
</s>
<s>
Popular	O
browsers	B-Application
like	O
Chrome	B-Application
,	O
Edge	O
,	O
Safari	B-Application
,	O
and	O
Internet	B-Application
Explorer	I-Application
rely	O
on	O
the	O
operating	B-General_Concept
system	I-General_Concept
for	O
client	O
certificates	O
,	O
which	O
poses	O
a	O
barrier	O
to	O
accessing	O
the	O
web	O
on	O
discontinued	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Firefox	B-Application
and	O
related	O
applications	O
can	O
use	O
client	O
certificates	O
directly	O
from	O
the	O
browser	B-Application
.	O
</s>
<s>
Older	O
versions	O
of	O
K-Meleon	B-Protocol
for	O
Windows	B-Application
2000	I-Application
and	O
9X	O
receive	O
occasional	O
updates	O
for	O
TLS	O
certificates	O
.	O
</s>
<s>
K-Meleon	B-Protocol
74	O
can	O
access	O
secure	O
websites	O
on	O
Windows	B-Application
2000	I-Application
using	O
an	O
older	O
version	O
of	O
the	O
Goanna	B-Language
engine	I-Language
combined	O
with	O
up-to-date	O
ciphers	B-Protocol
.	O
</s>
<s>
K-Meleon	B-Protocol
1.5	O
can	O
run	O
on	O
Windows	O
9x	O
releases	O
as	O
far	O
back	O
as	O
Windows	B-Application
95	I-Application
.	O
</s>
<s>
Occasional	O
TLS	O
updates	O
allow	O
version	O
1.5	O
to	O
access	O
secure	O
websites	O
on	O
Microsoft	O
's	O
9X	O
operating	B-General_Concept
systems	I-General_Concept
like	O
Windows	B-Device
98	I-Device
and	O
Windows	B-Device
Me	I-Device
.	O
</s>
<s>
Released	O
in	O
2000	O
,	O
K-Meleon	B-Protocol
has	O
been	O
under	O
development	O
for	O
over	O
two	O
decades	O
and	O
is	O
still	O
maintained	O
.	O
</s>
<s>
The	O
most	O
recent	O
version	O
,	O
K-Meleon	B-Protocol
76	O
,	O
is	O
updated	O
on	O
a	O
rolling	O
release	O
schedule	O
.	O
</s>
<s>
All	O
versions	O
of	O
K-Meleon	B-Protocol
are	O
written	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
K-Meleon	B-Protocol
is	O
not	O
designed	O
for	O
Unix	B-Application
but	O
can	O
run	O
on	O
POSIX-compliant	O
systems	O
if	O
they	O
have	O
an	O
implementation	O
of	O
the	O
Windows	B-Library
API	I-Library
like	O
the	O
Wine	B-Application
compatibility	I-Application
layer	I-Application
.	O
</s>
<s>
General	O
references	O
for	O
this	O
table	O
include	O
K-Meleon	B-Protocol
file	O
releases	O
,	O
For	O
versions	O
0.2	O
–	O
75.1	O
:	O
release	O
notes	O
,	O
For	O
versions	O
0.2	O
–	O
0.8.2	O
:	O
(	O
Individual	O
version	O
release	O
notes	O
available	O
under	O
the	O
respective	O
 [ Notes ] 	O
link	O
.	O
)	O
</s>
