Two-level brace and summation characters.

The braces are a compromise, since each glyph has to be usable as both
the top and bottom half of a brace.

diff --git a/bedstead.c b/bedstead.c
index d4815944a4bb04beed92de6579c25626bee70b95..eab6031df42c1109e64c4f07ed402073148ed027 100644 (file)
--- a/bedstead.c
+++ b/bedstead.c
@@ -1140,6 +1140,10 @@ static struct glyph {
  {{004,004,004,002,004,004,004,004,004}, 0x23ac }, /* long braceright middle */
  {{004,004,004,004,004,004,030,000,000}, 0x23ad }, /* long braceright bottom */
  {{004,004,004,004,004,004,004,004,004}, 0x23ae }, /* integral extension */
+ {{003,004,004,004,004,004,004,004,030}, 0x23b0 }, /* two-level brace / */
+ {{030,004,004,004,004,004,004,004,003}, 0x23b1 }, /* two-level brace \ */
+ {{037,020,010,010,004,004,002,002,001}, 0x23b2 }, /* summation top */
+ {{001,002,002,004,004,010,010,020,037}, 0x23b3 }, /* summation bottom */
  {{037,000,000,000,000,000,000,000,000}, 0x23ba }, /* horizontal scan 1 */
  {{000,000,037,000,000,000,000,000,000}, 0x23bb }, /* horizontal scan 3 */
  {{000,000,000,000,000,000,037,000,000}, 0x23bc }, /* horizontal scan 7 */