From e7aceb8df91e4225a1e4d690ca212bf6e4a64b2a Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@alexkarle.com>
Date: Tue, 28 Dec 2021 13:39:58 -0500
Subject: [PATCH] Fix [url] links with non-space characters after

I noticed on my blog that [url]: foo was broken--we need to check for
[url] links for all characters, not just whitespace!
---
 nihdoc.c       | 16 ++++++----------
 test/link.html |  6 ++++++
 test/link.txt  |  4 ++++
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/nihdoc.c b/nihdoc.c
index eb06189..164af70 100644
--- a/nihdoc.c
+++ b/nihdoc.c
@@ -96,12 +96,6 @@ void handle_lf() {
         printf("</h%d>\n", hlvl);
     }
 
-    /* Check for [url] style links */
-    if (in_link == OPT_URL) {
-        in_link = NOL;
-        printf("<a href=\"%s\">%s</a>", lnkdes, lnkdes);
-    }
-
     /* multi-line types (two lf to close) */
     if (lastc == '\n' || (lastc == '>' && blockquote)) {
         switch (in) {
@@ -169,6 +163,12 @@ int parse() {
             continue;
         }
 
+        /* Any character other than a '(' terminates a link at ']' */
+        if (in_link == OPT_URL && c != '(') {
+            in_link = NOL;
+            printf("<a href=\"%s\">%s</a>", lnkdes, lnkdes);
+        }
+
         /* Handle Escapes before any other bit of the main loop */
         if (escape) {
             maybe_startp();
@@ -203,10 +203,6 @@ int parse() {
                 if (in == HEADER_PARSE) {
                     printf("<h%d>", hlvl);
                     in = HEADER;
-                } else if (in_link == OPT_URL) {
-                    /* [url] style links */
-                    in_link = NOL;
-                    printf("<a href=\"%s\">%s</a> ", lnkdes, lnkdes);
                 } else if (in == LIST_PARSE) {
                     if (!listdepth) {
                         newlist();
diff --git a/test/link.html b/test/link.html
index 2c5e268..d9979df 100644
--- a/test/link.html
+++ b/test/link.html
@@ -25,3 +25,9 @@ this is a paragraph about
 this is a paragraph about
 <a href="https://alexkarle.com">my site</a> yo!
 </p>
+<p>
+this is a <a href="link">https://alexkarle.com</a>: without a space after
+</p>
+<p>
+this is a link <a href="https://alexkarle.com">https://alexkarle.com</a>: without a space after
+</p>
diff --git a/test/link.txt b/test/link.txt
index 80c8244..63d881f 100644
--- a/test/link.txt
+++ b/test/link.txt
@@ -17,3 +17,7 @@ this is a paragraph about
 
 this is a paragraph about
 [my site](https://alexkarle.com) yo!
+
+this is a [https://alexkarle.com](link): without a space after
+
+this is a link [https://alexkarle.com]: without a space after
--
libgit2 1.1.1