From 8765abd72c999a0b626bfb0e80bb9f97e3bb8329 Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@alexkarle.com>
Date: Thu, 23 Dec 2021 20:01:38 -0500
Subject: [PATCH] Allow newlines in link parsing

Not allowing newlines in links makes it hard to use text wrapping tools
like fmt(1). I don't think there's any reason to prevent newlines in the
descriptions, so this allows it!
---
 blag.c        |  7 ++++---
 test/big.html |  9 +++++++++
 test/big.txt  |  7 +++++++
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/blag.c b/blag.c
index d092a38..7b845d6 100644
--- a/blag.c
+++ b/blag.c
@@ -87,9 +87,10 @@ void handle_lf(state *s) {
         printf("</h%d>\n", s->hlvl);
     }
 
-    /* Guard against newlines when in parsing types */
-    if (s->in_link == URL_PARSE || s->in_link == DESC_PARSE) {
-        errx(1, "newline detected while processing link");
+    /* terminate url parsing in links */
+    if (s->in_link == URL_PARSE) {
+        s->in_link = DESC_PARSE;
+        printf("\">");
     }
 
     /* multi-line types (two lf to close) */
diff --git a/test/big.html b/test/big.html
index 76ee354..810bb01 100644
--- a/test/big.html
+++ b/test/big.html
@@ -70,3 +70,12 @@ cheers!
 <p>
 <a href="gopher://alexkarle.com">use <code>sacc(1)</code></a>
 </p>
+<p>
+<a href="https://example.com">this is a link
+with a newline!</a>
+</p>
+<p>
+<a href="https://example.com">
+this is another link
+with a newline!</a>
+</p>
diff --git a/test/big.txt b/test/big.txt
index 6fcbec9..0b2903c 100644
--- a/test/big.txt
+++ b/test/big.txt
@@ -41,3 +41,10 @@ my [gopher://alexkarle.com gopherhole].
 cheers!
 
 [gopher://alexkarle.com use `sacc(1)`]
+
+[https://example.com this is a link
+with a newline!]
+
+[https://example.com
+this is another link
+with a newline!]
--
libgit2 1.1.1