From: NeilBrown <neil@brown.name>
Date: Mon, 14 Aug 2023 02:27:40 +0000 (+1000)
Subject: lib-renderline: Fix length of split section in do_draw()
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=a0d822bc3c05317e1ea9609b8be0d9a317722fc0;p=edlib.git

lib-renderline: Fix length of split section in do_draw()

Need to subtract start from the end to get the length.

Signed-off-by: NeilBrown <neil@brown.name>
---

diff --git a/DOC/TODO.md b/DOC/TODO.md
index 2bc45cd3..f701aad5 100644
--- a/DOC/TODO.md
+++ b/DOC/TODO.md
@@ -10,7 +10,7 @@ the file.
 ### Triage
 
 
-- [ ] check formatting in x11 display.  Wrap causes problems 474/476 of
+- [X] check formatting in x11 display.  Wrap causes problems 474/476 of
       render-present.py and elsewhere
 - [ ] check notmuch formatting.  wrap-margin isn't right!
 - [X] email display: image positioning is wrong.  Maybe they don't get
diff --git a/lib-renderline.c b/lib-renderline.c
index fd683774..913417c6 100644
--- a/lib-renderline.c
+++ b/lib-renderline.c
@@ -534,8 +534,12 @@ static inline void do_draw(struct pane *p safe,
 		if (split)
 			offset = -1;
 	}
-	if (ri->split_list && split < ri->split_cnt)
-		len = ri->split_list[split];
+	if (ri->split_list) {
+		if (split < ri->split_cnt)
+			len = ri->split_list[split];
+		if (split)
+			len -= ri->split_list[split-1];
+	}
 
 	if (str[0] == '\t')
 		/* Tab need a list of spaces */