From 1c03e5775018d991f4ca1e5e72ee2b40371d9da1 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sun, 07 Oct 2018 11:25:43 -0400
Subject: [PATCH] Error if formatting continues to next paragraph

This prevents the inevitable "nested formatting" error from being too
far away from the source of the issue.

---
 src/main.c | 9 +++++++++

diff --git a/src/main.c b/src/main.c
index b0835d16000486456e20c053ec703f917a955376..75600be3b55229526d58fee30dd68c12e9c9e52e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -578,6 +578,15 @@ 		case ' ':
 			parser_fatal(p, "Tabs are required for indentation");
 			break;
 		case '\n':
+			if (p->flags) {
+				char error[512];
+				snprintf(error, sizeof(error), "Expected %c before starting "
+						"new paragraph (began with %c at %d:%d)",
+						p->flags == FORMAT_BOLD ? '*' : '_',
+						p->flags == FORMAT_BOLD ? '*' : '_',
+						p->fmt_line, p->fmt_col);
+				parser_fatal(p, error);
+			}
 			roff_macro(p, "P", NULL);
 			break;
 		default:

-- 
2.48.1