tiny code-style and typo-fix in comment

1 files changed, 3 insertions, 3 deletions

diff --git a/st.c b/st.c
index 2bf133f..c161497 100644
--- a/st.c
+++ b/st.c
@@ -38,7 +38,7 @@
 
 /* macros */
 #define IS_SET(flag)            ((term.mode & (flag)) != 0)
-#define ISCONTROLC0(c)          (BETWEEN(c, 0, 0x1f) || (c) == '\177')
+#define ISCONTROLC0(c)          (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
 #define ISCONTROLC1(c)          (BETWEEN(c, 0x80, 0x9f))
 #define ISCONTROL(c)            (ISCONTROLC0(c) || ISCONTROLC1(c))
 #define ISDELIM(u)              (u && wcschr(worddelimiters, u))
@@ -2023,7 +2023,7 @@ tdumpline(int n)
         bp = &term.line[n][0];
         end = &bp[MIN(tlinelen(n), term.col) - 1];
         if (bp != end || bp->u != ' ') {
-                for ( ;bp <= end; ++bp)
+                for ( ; bp <= end; ++bp)
                         tprinter(buf, utf8encode(bp->u, buf));
         }
         tprinter("\n", 1);
@@ -2307,7 +2307,7 @@ tputc(Rune u)
         Glyph *gp;
 
         control = ISCONTROL(u);
-        if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+        if (!IS_SET(MODE_UTF8 | MODE_SIXEL)) {
                 c[0] = u;
                 width = len = 1;
         } else {