rebase -i: clarify in-editor documentation of "exec"

diff --git a/ws.c b/ws.c
index d7b8c33f14195ba7ebe86bdbca2fea8f1b22ad37..7302f8f5a2cd450771aefcba0a385a90121ba0cf 100644 (file)
--- a/ws.c
+++ b/ws.c
@@ -174,8 +174,11 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule,
                }
        }
 
+       if (trailing_whitespace == -1)
+               trailing_whitespace = len;
+
        /* Check indentation */
-       for (i = 0; i < len; i++) {
+       for (i = 0; i < trailing_whitespace; i++) {
                if (line[i] == ' ')
                        continue;
                if (line[i] != '\t')
@@ -218,8 +221,6 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule,
                 * Now the rest of the line starts at "written".
                 * The non-highlighted part ends at "trailing_whitespace".
                 */
-               if (trailing_whitespace == -1)
-                       trailing_whitespace = len;
 
                /* Emit non-highlighted (middle) segment. */
                if (trailing_whitespace - written > 0) {