bugfix: prevent white space lines from becoming code blocks

diff --git a/markdown.awk b/markdown.awk
index 69a2fa8e70af9215c4b1ef5586a32620ff98b576..2dec7c8fec3830b4e07d9260436d43caf29ca456 100755 (executable)
--- a/markdown.awk
+++ b/markdown.awk
@@ -416,7 +416,7 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
            _block( substr( block, len + 1) );
 
   # Indented Code Block
-  } else if ( match(block, /^(    |\t)[^\n]+(\n|$)((    |\t)[^\n]+(\n|$)|[ \t]*(\n|$))*/) ) {
+  } else if ( match(block, /^(    |\t)( *\t*[^ \t\n])+(\n|$)((    |\t)[^\n]+(\n|$)|[ \t]*(\n|$))*/) ) {
     len = RLENGTH; st = RSTART;
     code = substr(block, 1, len);
     gsub(/(^|\n)(    |\t)/, "\n", code);