vis: support rudimentary help search using :help pattern

The argument needs to be a valid regular expression. It currently
clobbers the last used search term and hence allows repeated searches
using `n` and `N` respectively.

1 files changed, 3 insertions, 0 deletions

diff --git a/vis-cmds.c b/vis-cmds.c
index 8e512cc..fc823c8 100644
--- a/vis-cmds.c
+++ b/vis-cmds.c
@@ -753,6 +753,9 @@ static bool cmd_help(Vis *vis, Win *win, Command *cmd, const char *argv[], Curso
 		text_appendf(txt, "  %-32s\t%s\n", configs[i].name, configs[i].enabled ? "yes" : "no");
 
 	text_save(txt, NULL);
+
+	if (argv[1])
+		vis_motion(vis, VIS_MOVE_SEARCH_FORWARD, argv[1]);
 	return true;
 }