From: Fletcher T. Penney <fletcher@fletcherpenney.net>
Date: Mon, 6 Mar 2017 19:50:39 +0000 (-0500)
Subject: FIXED: Improve performance of checking document for metadata, which improves performa... 
X-Git-Tag: 6.0.0-b1^2~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d26d2e8668e234f21655e1c07a5f309f5527ae8d;p=multimarkdown

FIXED: Improve performance of checking document for metadata, which improves performance when checking for possible transclusion
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d09be0..214ebde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -567,6 +567,6 @@ ADD_MMD_TEST(mmd-6-latex "-t latex" MMD6Tests tex)
 
 ADD_MMD_TEST(mmd-6-odf "-t odf" MMD6Tests fodt)
 
-ADD_MMD_TEST(pathologic "" ../build html)
-
 ADD_MMD_TEST(pathologic-compat "-c" ../build html)
+
+ADD_MMD_TEST(pathologic "" ../build html)
diff --git a/Sources/libMultiMarkdown/mmd.c b/Sources/libMultiMarkdown/mmd.c
index 2d8ea2d..d53e759 100644
--- a/Sources/libMultiMarkdown/mmd.c
+++ b/Sources/libMultiMarkdown/mmd.c
@@ -1830,6 +1830,14 @@ void mmd_engine_parse_string(mmd_engine * e) {
 bool mmd_has_metadata(mmd_engine * e, size_t * end) {
 	bool result = false;
 
+	if (!(scan_meta_line(&e->dstr->str[0]))) {
+		// First line is not metadata, so can't have metadata
+		// Saves the time of an unnecessary parse 
+		// TODO:  Need faster confirmation of actual metadata than full tokenizing
+		
+		return false;
+	}
+
 	// Free existing parse tree
 	if (e->root)
 		token_tree_free(e->root);
diff --git a/Sources/libMultiMarkdown/scanners.c b/Sources/libMultiMarkdown/scanners.c
index 9092f1b..bf59122 100644
--- a/Sources/libMultiMarkdown/scanners.c
+++ b/Sources/libMultiMarkdown/scanners.c
@@ -1,4 +1,4 @@
-/* Generated by re2c 0.14.3 on Sat Mar  4 20:43:41 2017 */
+/* Generated by re2c 0.14.3 on Mon Mar  6 14:49:25 2017 */
 /**
 
 	MultiMarkdown 6 -- Lightweight markup processor to produce HTML, LaTeX, and more.
@@ -8863,20 +8863,8 @@ yy673:
 yy674:
 	yych = *(marker = ++c);
 	switch (yych) {
-	case '\t':	goto yy679;
+	case '\t':
 	case ' ':
-	case '!':
-	case '"':
-	case '#':
-	case '$':
-	case '%':
-	case '&':
-	case '\'':
-	case '(':
-	case ')':
-	case '*':
-	case '+':
-	case ',':
 	case '-':
 	case '.':
 	case '0':
@@ -8889,6 +8877,7 @@ yy674:
 	case '7':
 	case '8':
 	case '9':
+	case ':':
 	case 'A':
 	case 'B':
 	case 'C':
@@ -8941,8 +8930,7 @@ yy674:
 	case 'w':
 	case 'x':
 	case 'y':
-	case 'z':	goto yy676;
-	case ':':	goto yy681;
+	case 'z':	goto yy677;
 	default:	goto yy673;
 	}
 yy675:
@@ -8951,21 +8939,10 @@ yy675:
 yy676:
 	++c;
 	yych = *c;
+yy677:
 	switch (yych) {
-	case '\t':	goto yy679;
+	case '\t':
 	case ' ':
-	case '!':
-	case '"':
-	case '#':
-	case '$':
-	case '%':
-	case '&':
-	case '\'':
-	case '(':
-	case ')':
-	case '*':
-	case '+':
-	case ',':
 	case '-':
 	case '.':
 	case '0':
@@ -9031,47 +9008,38 @@ yy676:
 	case 'x':
 	case 'y':
 	case 'z':	goto yy676;
-	case ':':	goto yy681;
+	case ':':	goto yy679;
 	default:	goto yy678;
 	}
 yy678:
 	c = marker;
 	goto yy673;
 yy679:
-	++c;
-	yych = *c;
-	switch (yych) {
-	case '\t':
-	case ' ':	goto yy679;
-	case ':':	goto yy681;
-	default:	goto yy678;
-	}
-yy681:
 	yych = *++c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
 	case '\r':	goto yy678;
-	default:	goto yy682;
+	default:	goto yy680;
 	}
-yy682:
+yy680:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
-	case '\n':	goto yy684;
-	case '\r':	goto yy686;
-	default:	goto yy682;
+	case '\n':	goto yy682;
+	case '\r':	goto yy684;
+	default:	goto yy680;
 	}
-yy684:
+yy682:
 	++c;
-yy685:
+yy683:
 	{ return (size_t)( c - start ); }
-yy686:
+yy684:
 	++c;
 	switch ((yych = *c)) {
-	case '\n':	goto yy684;
-	default:	goto yy685;
+	case '\n':	goto yy682;
+	default:	goto yy683;
 	}
 }
 	
@@ -9086,7 +9054,7 @@ size_t scan_meta_key(const char * c) {
 	char yych;
 	yych = *c;
 	switch (yych) {
-	case '\n':	goto yy689;
+	case '\n':	goto yy687;
 	case '0':
 	case '1':
 	case '2':
@@ -9148,38 +9116,27 @@ size_t scan_meta_key(const char * c) {
 	case 'w':
 	case 'x':
 	case 'y':
-	case 'z':	goto yy690;
-	default:	goto yy692;
+	case 'z':	goto yy688;
+	default:	goto yy690;
 	}
-yy689:
+yy687:
 	{ return 0; }
-yy690:
+yy688:
 	++c;
 	yych = *c;
-	goto yy694;
-yy691:
+	goto yy692;
+yy689:
 	{ return (size_t)( c - start ); }
-yy692:
+yy690:
 	yych = *++c;
-	goto yy689;
-yy693:
+	goto yy687;
+yy691:
 	++c;
 	yych = *c;
-yy694:
+yy692:
 	switch (yych) {
+	case '\t':
 	case ' ':
-	case '!':
-	case '"':
-	case '#':
-	case '$':
-	case '%':
-	case '&':
-	case '\'':
-	case '(':
-	case ')':
-	case '*':
-	case '+':
-	case ',':
 	case '-':
 	case '.':
 	case '0':
@@ -9244,8 +9201,8 @@ yy694:
 	case 'w':
 	case 'x':
 	case 'y':
-	case 'z':	goto yy693;
-	default:	goto yy691;
+	case 'z':	goto yy691;
+	default:	goto yy689;
 	}
 }
 	
@@ -9261,71 +9218,71 @@ size_t scan_definition(const char * c) {
 	char yych;
 	yych = *c;
 	switch (yych) {
-	case '\n':	goto yy697;
-	case ' ':	goto yy698;
-	case ':':	goto yy699;
-	default:	goto yy700;
+	case '\n':	goto yy695;
+	case ' ':	goto yy696;
+	case ':':	goto yy697;
+	default:	goto yy698;
 	}
-yy697:
+yy695:
 	{ return 0; }
-yy698:
+yy696:
 	yych = *(marker = ++c);
 	switch (yych) {
-	case ' ':	goto yy705;
-	case ':':	goto yy707;
-	default:	goto yy697;
+	case ' ':	goto yy703;
+	case ':':	goto yy705;
+	default:	goto yy695;
 	}
-yy699:
+yy697:
 	yych = *++c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy697;
-	default:	goto yy702;
+	case '\r':	goto yy695;
+	default:	goto yy700;
 	}
-yy700:
+yy698:
 	yych = *++c;
-	goto yy697;
-yy701:
+	goto yy695;
+yy699:
 	++c;
 	yych = *c;
-yy702:
+yy700:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy703;
+	case '\r':	goto yy701;
 	case '\t':
-	case ' ':	goto yy701;
-	default:	goto yy704;
+	case ' ':	goto yy699;
+	default:	goto yy702;
 	}
-yy703:
+yy701:
 	{ return (size_t)( c - start ); }
-yy704:
+yy702:
 	yych = *++c;
-	goto yy703;
-yy705:
+	goto yy701;
+yy703:
 	yych = *++c;
 	switch (yych) {
-	case ' ':	goto yy708;
-	case ':':	goto yy707;
-	default:	goto yy706;
+	case ' ':	goto yy706;
+	case ':':	goto yy705;
+	default:	goto yy704;
 	}
-yy706:
+yy704:
 	c = marker;
-	goto yy697;
-yy707:
+	goto yy695;
+yy705:
 	yych = *++c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy706;
-	default:	goto yy702;
+	case '\r':	goto yy704;
+	default:	goto yy700;
 	}
-yy708:
+yy706:
 	++c;
 	switch ((yych = *c)) {
-	case ':':	goto yy707;
-	default:	goto yy706;
+	case ':':	goto yy705;
+	default:	goto yy704;
 	}
 }
 	
@@ -9346,14 +9303,14 @@ size_t scan_table_separator(const char * c) {
 	case '+':
 	case '-':
 	case ':':
-	case '=':	goto yy713;
-	case '\n':	goto yy711;
-	case '|':	goto yy712;
-	default:	goto yy714;
+	case '=':	goto yy711;
+	case '\n':	goto yy709;
+	case '|':	goto yy710;
+	default:	goto yy712;
 	}
-yy711:
+yy709:
 	{ return 0; }
-yy712:
+yy710:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case 0x00:
@@ -9365,10 +9322,10 @@ yy712:
 	case '-':
 	case ':':
 	case '=':
-	case '|':	goto yy724;
-	default:	goto yy711;
+	case '|':	goto yy722;
+	default:	goto yy709;
 	}
-yy713:
+yy711:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case '\t':
@@ -9376,33 +9333,33 @@ yy713:
 	case '+':
 	case '-':
 	case ':':
-	case '=':	goto yy718;
-	case '|':	goto yy715;
-	default:	goto yy711;
+	case '=':	goto yy716;
+	case '|':	goto yy713;
+	default:	goto yy709;
 	}
-yy714:
+yy712:
 	yych = *++c;
-	goto yy711;
-yy715:
+	goto yy709;
+yy713:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
-	case '\n':	goto yy720;
+	case '\n':	goto yy718;
 	case '\t':
 	case ' ':
 	case '+':
 	case '-':
 	case ':':
 	case '=':
-	case '|':	goto yy715;
-	case '\r':	goto yy722;
-	default:	goto yy717;
+	case '|':	goto yy713;
+	case '\r':	goto yy720;
+	default:	goto yy715;
 	}
-yy717:
+yy715:
 	c = marker;
-	goto yy711;
-yy718:
+	goto yy709;
+yy716:
 	++c;
 	yych = *c;
 	switch (yych) {
@@ -9411,36 +9368,36 @@ yy718:
 	case '+':
 	case '-':
 	case ':':
-	case '=':	goto yy718;
-	case '|':	goto yy715;
-	default:	goto yy717;
+	case '=':	goto yy716;
+	case '|':	goto yy713;
+	default:	goto yy715;
 	}
-yy720:
+yy718:
 	++c;
-yy721:
+yy719:
 	{ return (size_t)( c - start ); }
-yy722:
+yy720:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy720;
-	default:	goto yy721;
+	case '\n':	goto yy718;
+	default:	goto yy719;
 	}
-yy723:
+yy721:
 	++c;
 	yych = *c;
-yy724:
+yy722:
 	switch (yych) {
 	case 0x00:
-	case '\n':	goto yy720;
+	case '\n':	goto yy718;
 	case '\t':
 	case ' ':
 	case '+':
 	case '-':
 	case ':':
 	case '=':
-	case '|':	goto yy723;
-	case '\r':	goto yy722;
-	default:	goto yy717;
+	case '|':	goto yy721;
+	case '\r':	goto yy720;
+	default:	goto yy715;
 	}
 }
 	
@@ -9456,234 +9413,234 @@ size_t scan_alignment_string(const char * c) {
 	yych = *c;
 	switch (yych) {
 	case '\t':
-	case ' ':	goto yy728;
-	case '\n':	goto yy727;
+	case ' ':	goto yy726;
+	case '\n':	goto yy725;
 	case '-':
-	case '=':	goto yy730;
-	case ':':	goto yy729;
-	default:	goto yy731;
+	case '=':	goto yy728;
+	case ':':	goto yy727;
+	default:	goto yy729;
 	}
-yy727:
+yy725:
 	{ return 0; }
-yy728:
+yy726:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case '\t':
-	case ' ':	goto yy770;
+	case ' ':	goto yy768;
 	case '-':
-	case '=':	goto yy734;
-	case ':':	goto yy769;
-	default:	goto yy727;
+	case '=':	goto yy732;
+	case ':':	goto yy767;
+	default:	goto yy725;
 	}
-yy729:
+yy727:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case '-':
-	case '=':	goto yy746;
-	default:	goto yy727;
+	case '=':	goto yy744;
+	default:	goto yy725;
 	}
-yy730:
+yy728:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case '-':
-	case '=':	goto yy734;
-	case ':':	goto yy732;
-	default:	goto yy727;
+	case '=':	goto yy732;
+	case ':':	goto yy730;
+	default:	goto yy725;
 	}
-yy731:
+yy729:
 	yych = *++c;
-	goto yy727;
-yy732:
+	goto yy725;
+yy730:
 	yych = *++c;
 	switch (yych) {
-	case '+':	goto yy741;
-	default:	goto yy737;
+	case '+':	goto yy739;
+	default:	goto yy735;
 	}
-yy733:
+yy731:
 	c = marker;
-	goto yy727;
-yy734:
+	goto yy725;
+yy732:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case '-':
-	case '=':	goto yy734;
-	case ':':	goto yy732;
-	default:	goto yy733;
+	case '=':	goto yy732;
+	case ':':	goto yy730;
+	default:	goto yy731;
 	}
-yy736:
+yy734:
 	++c;
 	yych = *c;
-yy737:
+yy735:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy738;
+	case '|':	goto yy736;
 	case '\t':
-	case ' ':	goto yy736;
-	case '\r':	goto yy740;
-	default:	goto yy733;
+	case ' ':	goto yy734;
+	case '\r':	goto yy738;
+	default:	goto yy731;
 	}
-yy738:
+yy736:
 	++c;
-yy739:
+yy737:
 	{ return ALIGN_RIGHT; }
-yy740:
+yy738:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy738;
-	default:	goto yy739;
+	case '\n':	goto yy736;
+	default:	goto yy737;
 	}
-yy741:
+yy739:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy743;
+	case '|':	goto yy741;
 	case '\t':
-	case ' ':	goto yy741;
-	case '\r':	goto yy745;
-	default:	goto yy733;
+	case ' ':	goto yy739;
+	case '\r':	goto yy743;
+	default:	goto yy731;
 	}
-yy743:
+yy741:
 	++c;
-yy744:
+yy742:
 	{ return ALIGN_WRAP | ALIGN_RIGHT; }
-yy745:
+yy743:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy743;
-	default:	goto yy744;
+	case '\n':	goto yy741;
+	default:	goto yy742;
 	}
-yy746:
+yy744:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy750;
+	case '|':	goto yy748;
 	case '\t':
-	case ' ':	goto yy748;
-	case '\r':	goto yy752;
-	case '+':	goto yy754;
+	case ' ':	goto yy746;
+	case '\r':	goto yy750;
+	case '+':	goto yy752;
 	case '-':
-	case '=':	goto yy746;
-	case ':':	goto yy753;
-	default:	goto yy733;
+	case '=':	goto yy744;
+	case ':':	goto yy751;
+	default:	goto yy731;
 	}
-yy748:
+yy746:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy750;
+	case '|':	goto yy748;
 	case '\t':
-	case ' ':	goto yy748;
-	case '\r':	goto yy752;
-	default:	goto yy733;
+	case ' ':	goto yy746;
+	case '\r':	goto yy750;
+	default:	goto yy731;
 	}
-yy750:
+yy748:
 	++c;
-yy751:
+yy749:
 	{ return ALIGN_LEFT; }
-yy752:
+yy750:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy750;
-	default:	goto yy751;
+	case '\n':	goto yy748;
+	default:	goto yy749;
 	}
-yy753:
+yy751:
 	yych = *++c;
 	switch (yych) {
-	case '+':	goto yy759;
-	default:	goto yy762;
+	case '+':	goto yy757;
+	default:	goto yy760;
 	}
-yy754:
+yy752:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy756;
+	case '|':	goto yy754;
 	case '\t':
-	case ' ':	goto yy754;
-	case '\r':	goto yy758;
-	default:	goto yy733;
+	case ' ':	goto yy752;
+	case '\r':	goto yy756;
+	default:	goto yy731;
 	}
-yy756:
+yy754:
 	++c;
-yy757:
+yy755:
 	{ return ALIGN_WRAP | ALIGN_LEFT; }
-yy758:
+yy756:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy756;
-	default:	goto yy757;
+	case '\n':	goto yy754;
+	default:	goto yy755;
 	}
-yy759:
+yy757:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy766;
+	case '|':	goto yy764;
 	case '\t':
-	case ' ':	goto yy759;
-	case '\r':	goto yy768;
-	default:	goto yy733;
+	case ' ':	goto yy757;
+	case '\r':	goto yy766;
+	default:	goto yy731;
 	}
-yy761:
+yy759:
 	++c;
 	yych = *c;
-yy762:
+yy760:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '|':	goto yy763;
+	case '|':	goto yy761;
 	case '\t':
-	case ' ':	goto yy761;
-	case '\r':	goto yy765;
-	default:	goto yy733;
+	case ' ':	goto yy759;
+	case '\r':	goto yy763;
+	default:	goto yy731;
 	}
-yy763:
+yy761:
 	++c;
-yy764:
+yy762:
 	{ return ALIGN_CENTER; }
-yy765:
+yy763:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy763;
-	default:	goto yy764;
+	case '\n':	goto yy761;
+	default:	goto yy762;
 	}
-yy766:
+yy764:
 	++c;
-yy767:
+yy765:
 	{ return ALIGN_WRAP | ALIGN_CENTER; }
-yy768:
+yy766:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy766;
-	default:	goto yy767;
+	case '\n':	goto yy764;
+	default:	goto yy765;
 	}
-yy769:
+yy767:
 	yych = *++c;
 	switch (yych) {
 	case '-':
-	case '=':	goto yy746;
-	default:	goto yy733;
+	case '=':	goto yy744;
+	default:	goto yy731;
 	}
-yy770:
+yy768:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case '\t':
-	case ' ':	goto yy770;
+	case ' ':	goto yy768;
 	case '-':
-	case '=':	goto yy734;
-	case ':':	goto yy769;
-	default:	goto yy733;
+	case '=':	goto yy732;
+	case ':':	goto yy767;
+	default:	goto yy731;
 	}
 }
 	
@@ -9701,49 +9658,49 @@ size_t scan_destination(const char * c) {
 	case 0x00:
 	case '\t':
 	case '\r':
-	case ' ':	goto yy778;
-	case '\n':	goto yy774;
-	case '<':	goto yy775;
-	default:	goto yy777;
+	case ' ':	goto yy776;
+	case '\n':	goto yy772;
+	case '<':	goto yy773;
+	default:	goto yy775;
 	}
-yy774:
+yy772:
 	{ return 0; }
-yy775:
+yy773:
 	++c;
 	yych = *c;
-	goto yy782;
-yy776:
+	goto yy780;
+yy774:
 	{ return (size_t)( c - start ); }
-yy777:
+yy775:
 	yych = *++c;
-	goto yy780;
-yy778:
+	goto yy778;
+yy776:
 	yych = *++c;
-	goto yy774;
-yy779:
+	goto yy772;
+yy777:
 	++c;
 	yych = *c;
-yy780:
+yy778:
 	switch (yych) {
 	case 0x00:
 	case '\t':
 	case '\n':
 	case '\r':
-	case ' ':	goto yy776;
-	default:	goto yy779;
+	case ' ':	goto yy774;
+	default:	goto yy777;
 	}
-yy781:
+yy779:
 	++c;
 	yych = *c;
-yy782:
+yy780:
 	switch (yych) {
 	case 0x00:
 	case '\t':
 	case '\n':
 	case '\r':
-	case ' ':	goto yy776;
-	case '>':	goto yy779;
-	default:	goto yy781;
+	case ' ':	goto yy774;
+	case '>':	goto yy777;
+	default:	goto yy779;
 	}
 }
 	
@@ -9759,79 +9716,79 @@ size_t scan_title(const char * c) {
 	char yych;
 	yych = *c;
 	switch (yych) {
-	case '\n':	goto yy785;
-	case '"':	goto yy786;
-	case '\'':	goto yy787;
-	case '(':	goto yy788;
-	default:	goto yy789;
+	case '\n':	goto yy783;
+	case '"':	goto yy784;
+	case '\'':	goto yy785;
+	case '(':	goto yy786;
+	default:	goto yy787;
 	}
-yy785:
+yy783:
 	{ return 0; }
-yy786:
+yy784:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy785;
-	default:	goto yy798;
+	case '\r':	goto yy783;
+	default:	goto yy796;
 	}
-yy787:
+yy785:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy785;
-	default:	goto yy796;
+	case '\r':	goto yy783;
+	default:	goto yy794;
 	}
-yy788:
+yy786:
 	yych = *(marker = ++c);
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy785;
-	default:	goto yy791;
+	case '\r':	goto yy783;
+	default:	goto yy789;
 	}
-yy789:
+yy787:
 	yych = *++c;
-	goto yy785;
-yy790:
+	goto yy783;
+yy788:
 	++c;
 	yych = *c;
-yy791:
+yy789:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy792;
-	case ')':	goto yy793;
-	default:	goto yy790;
+	case '\r':	goto yy790;
+	case ')':	goto yy791;
+	default:	goto yy788;
 	}
-yy792:
+yy790:
 	c = marker;
-	goto yy785;
-yy793:
+	goto yy783;
+yy791:
 	++c;
 	{ return (size_t)( c - start ); }
-yy795:
+yy793:
 	++c;
 	yych = *c;
-yy796:
+yy794:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy792;
-	case '\'':	goto yy793;
-	default:	goto yy795;
+	case '\r':	goto yy790;
+	case '\'':	goto yy791;
+	default:	goto yy793;
 	}
-yy797:
+yy795:
 	++c;
 	yych = *c;
-yy798:
+yy796:
 	switch (yych) {
 	case 0x00:
 	case '\n':
-	case '\r':	goto yy792;
-	case '"':	goto yy793;
-	default:	goto yy797;
+	case '\r':	goto yy790;
+	case '"':	goto yy791;
+	default:	goto yy795;
 	}
 }
 	
@@ -9846,106 +9803,106 @@ size_t scan_setext(const char * c) {
 	char yych;
 	yych = *c;
 	switch (yych) {
-	case '\n':	goto yy801;
-	case ' ':	goto yy802;
-	case '-':	goto yy804;
-	case '=':	goto yy803;
-	default:	goto yy805;
+	case '\n':	goto yy799;
+	case ' ':	goto yy800;
+	case '-':	goto yy802;
+	case '=':	goto yy801;
+	default:	goto yy803;
 	}
-yy801:
+yy799:
 	{ return 0; }
-yy802:
+yy800:
 	yych = *(marker = ++c);
 	switch (yych) {
-	case ' ':	goto yy817;
-	case '-':	goto yy818;
-	case '=':	goto yy819;
-	default:	goto yy801;
+	case ' ':	goto yy815;
+	case '-':	goto yy816;
+	case '=':	goto yy817;
+	default:	goto yy799;
 	}
-yy803:
+yy801:
 	yych = *(marker = ++c);
 	switch (yych) {
-	case '=':	goto yy812;
-	default:	goto yy801;
+	case '=':	goto yy810;
+	default:	goto yy799;
 	}
-yy804:
+yy802:
 	yych = *(marker = ++c);
 	switch (yych) {
-	case '-':	goto yy806;
-	default:	goto yy801;
+	case '-':	goto yy804;
+	default:	goto yy799;
 	}
-yy805:
+yy803:
 	yych = *++c;
-	goto yy801;
-yy806:
+	goto yy799;
+yy804:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
-	case '\n':	goto yy809;
-	case '\r':	goto yy811;
-	case '-':	goto yy806;
-	default:	goto yy808;
+	case '\n':	goto yy807;
+	case '\r':	goto yy809;
+	case '-':	goto yy804;
+	default:	goto yy806;
 	}
-yy808:
+yy806:
 	c = marker;
-	goto yy801;
-yy809:
+	goto yy799;
+yy807:
 	++c;
-yy810:
+yy808:
 	{ return (size_t)( c - start ); }
-yy811:
+yy809:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy809;
-	default:	goto yy810;
+	case '\n':	goto yy807;
+	default:	goto yy808;
 	}
-yy812:
+yy810:
 	++c;
 	yych = *c;
 	switch (yych) {
 	case 0x00:
-	case '\n':	goto yy814;
-	case '\r':	goto yy816;
-	case '=':	goto yy812;
-	default:	goto yy808;
+	case '\n':	goto yy812;
+	case '\r':	goto yy814;
+	case '=':	goto yy810;
+	default:	goto yy806;
 	}
-yy814:
+yy812:
 	++c;
-yy815:
+yy813:
 	{ return (size_t)( c - start ); }
-yy816:
+yy814:
 	yych = *++c;
 	switch (yych) {
-	case '\n':	goto yy814;
-	default:	goto yy815;
+	case '\n':	goto yy812;
+	default:	goto yy813;
 	}
-yy817:
+yy815:
 	yych = *++c;
 	switch (yych) {
-	case ' ':	goto yy820;
-	case '-':	goto yy818;
-	case '=':	goto yy819;
-	default:	goto yy808;
+	case ' ':	goto yy818;
+	case '-':	goto yy816;
+	case '=':	goto yy817;
+	default:	goto yy806;
 	}
-yy818:
+yy816:
 	yych = *++c;
 	switch (yych) {
-	case '-':	goto yy806;
-	default:	goto yy808;
+	case '-':	goto yy804;
+	default:	goto yy806;
 	}
-yy819:
+yy817:
 	yych = *++c;
 	switch (yych) {
-	case '=':	goto yy812;
-	default:	goto yy808;
+	case '=':	goto yy810;
+	default:	goto yy806;
 	}
-yy820:
+yy818:
 	++c;
 	switch ((yych = *c)) {
-	case '-':	goto yy818;
-	case '=':	goto yy819;
-	default:	goto yy808;
+	case '-':	goto yy816;
+	case '=':	goto yy817;
+	default:	goto yy806;
 	}
 }
 	
diff --git a/Sources/libMultiMarkdown/scanners.re b/Sources/libMultiMarkdown/scanners.re
index 1e3f895..ef4bcc3 100644
--- a/Sources/libMultiMarkdown/scanners.re
+++ b/Sources/libMultiMarkdown/scanners.re
@@ -136,7 +136,7 @@
 
 	fence_end	= non_indent [`~]{3,} sp nl_eof;
 
-	meta_key	= [A-Za-z0-9] [A-Za-z0-9_ -\.]*;
+	meta_key	= [A-Za-z0-9] [A-Za-z0-9_ \t\-\.]*;
 
 	meta_value	= [^\n\r\x00]+;