runtime(2html): Make links use color scheme colors in TOhtml

The browser-default dark blue/purple colors don't fit in with most color
schemes and also are unreadable if the color scheme has a dark
background.

closes: #10191

Signed-off-by: Max Bernstein <tekknolagi@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim
index f3ce8be..ca40810 100644
--- a/runtime/syntax/2html.vim
+++ b/runtime/syntax/2html.vim
@@ -1,6 +1,6 @@
 " Vim syntax support file
 " Maintainer: Ben Fritz <fritzophrenic@gmail.com>
-" Last Change: 2023 Sep 05
+" Last Change: 2024 Nov 02
 "
 " Additional contributors:
 "
@@ -1843,6 +1843,10 @@
   " default font size for different elements
   call append('.', '* { font-size: 1em; }')
   +
+  " use color scheme styles for links
+  " browser-default blue/purple colors for links don't look like the existing theme and are unreadable on dark backgrounds
+  call append('.', 'a { color: inherit; }')
+  +
   " if we use any input elements for unselectable content, make sure they look
   " like normal text
   if !empty(s:settings.prevent_copy)