Do not trust isalpha(c) for values > 255.

Fixes #174.

Conflicts:
	Panel.c

1 files changed, 1 insertions, 1 deletions

diff --git a/RichString.c b/RichString.c
index 51914b08..22ffecb5 100644
--- a/RichString.c
+++ b/RichString.c
@@ -128,7 +128,7 @@ static inline void RichString_writeFrom(RichString* this, int attrs, const char*
    int newLen = from + len;
    RichString_setLen(this, newLen);
    for (int i = from, j = 0; i < newLen; i++, j++)
-      this->chptr[i] = (isprint(data_c[j]) ? data_c[j] : '?') | attrs;
+      this->chptr[i] = (data_c[j] >= 32 ? data_c[j] : '?') | attrs;
    this->chptr[newLen] = 0;
 }