From fc7c504e02a29237c0ea55d5d58de80b738b202d Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Sat, 23 Nov 2019 18:24:09 -0500
Subject: [PATCH] add cite tag for block quote attributions

---
 docs/changelog.txt | 2 ++
 markitzero.go      | 5 +++--
 views/style.css    | 3 +++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/docs/changelog.txt b/docs/changelog.txt
index f894e6f..952980f 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -2,6 +2,8 @@ changelog
 
 -- next
 
++ Add cite tag for block quote attributions.
+
 + @media print styles.
 
 + Disable overscroll (pull down) refresh.
diff --git a/markitzero.go b/markitzero.go
index 1e41f7a..2115d32 100644
--- a/markitzero.go
+++ b/markitzero.go
@@ -28,7 +28,7 @@ var re_bolder = regexp.MustCompile(`(^|\W)\*\*((?s:.*?))\*\*($|\W)`)
 var re_italicer = regexp.MustCompile(`(^|\W)\*((?s:.*?))\*($|\W)`)
 var re_bigcoder = regexp.MustCompile("```(.*)\n?((?s:.*?))\n?```\n?")
 var re_coder = regexp.MustCompile("`([^`]*)`")
-var re_quoter = regexp.MustCompile(`(?m:^&gt; (.*)\n?)`)
+var re_quoter = regexp.MustCompile(`(?m:^&gt; (.*)(\n-(.*))?\n?)`)
 var re_link = regexp.MustCompile(`.?.?https?://[^\s"]+[\w/)!]`)
 var re_zerolink = regexp.MustCompile(`\[([^]]*)\]\(([^)]*\)?)\)`)
 var re_imgfix = regexp.MustCompile(`<img ([^>]*)>`)
@@ -77,7 +77,7 @@ func markitzero(s string) string {
 	s = re_zerolink.ReplaceAllString(s, `<a href="$2">$1</a>`)
 	s = re_bolder.ReplaceAllString(s, "$1<b>$2</b>$3")
 	s = re_italicer.ReplaceAllString(s, "$1<i>$2</i>$3")
-	s = re_quoter.ReplaceAllString(s, "<blockquote>$1</blockquote><p>")
+	s = re_quoter.ReplaceAllString(s, "<blockquote>$1<br><cite>$3</cite></blockquote><p>")
 	s = strings.Replace(s, "\n---\n", "<hr><p>", -1)
 
 	s = re_lister.ReplaceAllStringFunc(s, func(m string) string {
@@ -117,6 +117,7 @@ func markitzero(s string) string {
 	// some final fixups
 	s = strings.Replace(s, "\n", "<br>", -1)
 	s = strings.Replace(s, "<br><blockquote>", "<blockquote>", -1)
+	s = strings.Replace(s, "<br><cite></cite>", "", -1)
 	s = strings.Replace(s, "<br><pre>", "<pre>", -1)
 	s = strings.Replace(s, "<br><ul>", "<ul>", -1)
 	s = strings.Replace(s, "<p><br>", "<p>", -1)
diff --git a/views/style.css b/views/style.css
index ea0ba4a..89f0194 100644
--- a/views/style.css
+++ b/views/style.css
@@ -23,6 +23,9 @@ blockquote {
 	padding-left: 0.5em;
 	border-left: 1px solid var(--fg-subtle);
 }
+blockquote cite {
+	margin-left: 2em;
+}
 table {
 	display: block;
 	max-width: 100%;