Fix disabling of bold and fastblink

According to ECMA-48¹ 8.3.117, an attribute value of 21 is "doubly
underlined", while 22 is "normal colour or normal intensity (neither
bold nor faint)".

Additionally, 25 is "steady (not blinking)", which likely means neither
slow blink nor fast blink.

¹: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>

diff --git a/st.c b/st.c
index 546db41bc836438cc71fb6d60295fc81d59ae8c8..0c917fd4a2d6cff6db69fbbab5e063cc39c12792 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1718,11 +1718,8 @@ tsetattr(int *attr, int l) {
                case 9:
                        term.c.attr.mode |= ATTR_STRUCK;
                        break;
-               case 21:
-                       term.c.attr.mode &= ~ATTR_BOLD;
-                       break;
                case 22:
-                       term.c.attr.mode &= ~ATTR_FAINT;
+                       term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
                        break;
                case 23:
                        term.c.attr.mode &= ~ATTR_ITALIC;
@@ -1731,10 +1728,7 @@ tsetattr(int *attr, int l) {
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
                case 25:
-                       term.c.attr.mode &= ~ATTR_BLINK;
-                       break;
-               case 26:
-                       term.c.attr.mode &= ~ATTR_FASTBLINK;
+                       term.c.attr.mode &= ~(ATTR_BLINK | ATTR_FASTBLINK);
                        break;
                case 27:
                        term.c.attr.mode &= ~ATTR_REVERSE;