Re-add `--safe` command-line option as a no-op.

See #344.

2 files changed, 11 insertions, 4 deletions

diff --git a/man/man1/cmark.1 b/man/man1/cmark.1
index 71db059..0771400 100644
--- a/man/man1/cmark.1
+++ b/man/man1/cmark.1
@@ -49,14 +49,18 @@ be rendered as curly quotes, depending on their position.
 \f[C]\-\-\-\f[] will be rendered as an em-dash.
 \f[C]...\f[] will be rendered as ellipses.
 .TP 12n
-.B \-\-unsafe
-Render raw HTML or potentially dangerous URLs.
-By default, raw HTML is replaced by a placeholder comment
+.B \-\-safe
+Omit raw HTML and potentially dangerous URLs (default).
+Raw HTML is replaced by a placeholder comment
 and potentially dangerous URLs are replaced by empty strings.
-Dangerous URLs are those that begin with `javascript:`,
+Potentially dangerous URLs are those that begin with `javascript:`,
 `vbscript:`, `file:`, or `data:` (except for `image/png`,
 `image/gif`, `image/jpeg`, or `image/webp` mime types).
 .TP 12n
+.B \-\-unsafe
+Render raw HTML or potentially dangerous URLs, overriding
+the default (\-\-safe) behavior.
+.TP 12n
 .B \-\-help
 Print usage information.
 .TP 12n
diff --git a/src/main.c b/src/main.c
index 6162704..0cc2b3d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -37,6 +37,7 @@ void print_usage() {
   printf("  --sourcepos      Include source position attribute\n");
   printf("  --hardbreaks     Treat newlines as hard line breaks\n");
   printf("  --nobreaks       Render soft line breaks as spaces\n");
+  printf("  --safe           Omit raw HTML and dangerous URLs\n");
   printf("  --unsafe         Render raw HTML and dangerous URLs\n");
   printf("  --smart          Use smart punctuation\n");
   printf("  --validate-utf8  Replace invalid UTF-8 sequences with U+FFFD\n");
@@ -111,6 +112,8 @@ int main(int argc, char *argv[]) {
       options |= CMARK_OPT_NOBREAKS;
     } else if (strcmp(argv[i], "--smart") == 0) {
       options |= CMARK_OPT_SMART;
+    } else if (strcmp(argv[i], "--safe") == 0) {
+      options |= CMARK_OPT_SAFE;
     } else if (strcmp(argv[i], "--unsafe") == 0) {
       options |= CMARK_OPT_UNSAFE;
     } else if (strcmp(argv[i], "--validate-utf8") == 0) {