refactor(flatfile): single-line file header with format-version marker

src/database_flatfile.h

@@ -29,7 +29,7 @@
 #define FF_VERSION_MARKER       "format-version: "
 #define FF_STRINGIFY_(x)        #x
 #define FF_STRINGIFY(x)         FF_STRINGIFY_(x)
-#define FLATFILE_HEADER         "# profanity chat log — UTF-8, LF line endings, " FF_VERSION_MARKER FF_STRINGIFY(FLATFILE_FORMAT_VERSION) "\n"
+#define FLATFILE_HEADER         "# cproof chat log — UTF-8, LF line endings, " FF_VERSION_MARKER FF_STRINGIFY(FLATFILE_FORMAT_VERSION) "\n"
 #define FF_MAX_LINE_LEN         (10 * 1024 * 1024) /* 10 MB — reject lines longer than this */
 #define FF_MAX_LMC_DEPTH        100                /* max correction chain depth */
 

tests/unittests/test_database_export.c

@@ -458,7 +458,7 @@ void
 test_ff_parse_line_comment(void** state)
 {
     assert_null(ff_parse_line("# this is a comment"));
-    assert_null(ff_parse_line("# profanity chat log — UTF-8, LF line endings"));
+    assert_null(ff_parse_line("# cproof chat log — UTF-8, LF line endings"));
 }
 
 void