From d1e0defceb2330b18d794ad5cc24c87984cbdb95 Mon Sep 17 00:00:00 2001
From: Daniel Shahaf <d.s@daniel.shahaf.name>
Date: Tue, 16 Aug 2016 17:09:04 +0000
Subject: [PATCH] README: Add a reference to upstream's documentation.

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f5521c6..9e045a8 100644
--- a/README.md
+++ b/README.md
@@ -39,13 +39,14 @@ Highlighting the command line during an incremental history search
 bound by default to <kbd>Ctrl+R</kbd> in zsh's emacs keymap) requires zsh 5.3
 or newer.
 
-Under zsh 5.2 and older, the zsh-default underlining of the matched portion
+Under zsh 5.2 and older, the zsh-default [underlining][zshzle-Character-Highlighting] of the matched portion
 of the buffer remains available, but zsh-syntax-highlighting's additional
 highlighting is unavailable.  (Those versions of zsh do not provide enough
 information to allow computing the highlighting correctly.)
 
 See [issue #288][i288] for details.
 
+[zshzle-Character-Highlighting]: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Character-Highlighting
 [i288]: https://github.com/zsh-users/zsh-syntax-highlighting/pull/288
 
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