1 files changed, 10 insertions, 6 deletions
diff --git a/src/doc_reform/io_in/read_source_files.d b/src/doc_reform/io_in/read_source_files.d
index e443b01..aeb2382 100644
--- a/src/doc_reform/io_in/read_source_files.d
+++ b/src/doc_reform/io_in/read_source_files.d
@@ -15,7 +15,7 @@ static template spineRawMarkupContent() {
   mixin spineRgxInit;
   static auto rgx = Rgx();
   string[] _images=[];
-  auto _extract_images(S)(S content_block) {
+  auto _extract_images(S)(S content_block) @safe {
     string[] images_;
     string _content_block = content_block.to!string;
     if (auto m = _content_block.matchAll(rgx.image)) {
@@ -24,7 +24,7 @@ static template spineRawMarkupContent() {
     return images_;
   }
   auto rawsrc = RawMarkupContent();
-  auto spineRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) {
+  auto spineRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) @safe {
     auto _0_header_1_body_content_2_insert_filelist_tuple
       = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
     return _0_header_1_body_content_2_insert_filelist_tuple;
@@ -36,7 +36,11 @@ static template spineRawMarkupContent() {
         = raw.markupSourceReadIn(fn_src);
       return source_txt_str;
     }
-    final auto sourceContentSplitIntoHeaderAndBody(O)(O _opt_action, in string source_txt_str, in string fn_src="") {
+    final auto sourceContentSplitIntoHeaderAndBody(O)(
+      O         _opt_action,
+      in string source_txt_str,
+      in string fn_src=""
+    ) {
       auto raw = MarkupRawUnit();
       string[] insert_file_list;
       string[] images_list;
@@ -99,7 +103,7 @@ static template spineRawMarkupContent() {
       std.utf.validate(source_txt_str);
       return source_txt_str;
     }
-    final private char[][] header0Content1(in string src_text) {
+    final private char[][] header0Content1(in string src_text) @trusted { // cast(char[])
       /+ split string on _first_ match of "^:?A~\s" into [header, content] array/tuple +/
       char[][] header_and_content;
       auto m = (cast(char[]) src_text).matchFirst(rgx.heading_a);
@@ -112,7 +116,7 @@ static template spineRawMarkupContent() {
       );
       return header_and_content;
     }
-    final private char[][] markupSourceLineArray(in char[] src_text) {
+    final private char[][] markupSourceLineArray(in char[] src_text) @trusted { // cast(char[])
       char[][] source_line_arr
         = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding);
       return source_line_arr;
@@ -127,7 +131,7 @@ static template spineRawMarkupContent() {
       auto source_txt_str = readInMarkupSource(fn_src);
       return source_txt_str;
     }
-    auto markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) {
+    auto markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) @safe {
       string[] file_insert_list = [];
       string[] images_list = [];
       char[][] hc = header0Content1(source_txt_str);