On C-y, stop some text property entries being written into buffer-undo-list

[gnu-emacs] / src / tparam.c

diff --git a/src/tparam.c b/src/tparam.c
index 538f26c83b6fbec75cec38f7bd78f097a805f046..02047db209504d73218fa3e65c42cd302c62d579 100644 (file)
--- a/src/tparam.c
+++ b/src/tparam.c
@@ -79,14 +79,14 @@ tparam1 (const char *string, char *outstring, int len,
   register int tem;
   int *old_argp = argp;                 /* can move */
   int *fixed_argp = argp;               /* never moves */
-  bool explicit_param_p = 0;            /* set by %p */
+  bool explicit_param_p = false;        /* set by %p */
   ptrdiff_t doleft = 0;
   ptrdiff_t doup = 0;
   ptrdiff_t append_len = 0;
 
   outend = outstring + len;
 
-  while (1)
+  while (true)
     {
       /* If the buffer might be too short, make it bigger.  */
       while (outend - op - append_len <= 5)
@@ -115,7 +115,7 @@ tparam1 (const char *string, char *outstring, int len,
        {
          c = *p++;
          if (explicit_param_p)
-           explicit_param_p = 0;
+           explicit_param_p = false;
          else
            tem = *argp;
          switch (c)
@@ -142,7 +142,7 @@ tparam1 (const char *string, char *outstring, int len,
              break;
             case 'p':           /* %pN means use param N for next subst.  */
              tem = fixed_argp[(*p++) - '1'];
-             explicit_param_p = 1;
+             explicit_param_p = true;
              break;
            case 'C':
              /* For c-100: print quotient of value by 96, if nonzero,