(single) Generalized emphasis

1 files changed, 12 insertions, 22 deletions

diff --git a/single.awk b/single.awk
index 4e2e19a..2908c32 100644
--- a/single.awk
+++ b/single.awk
@@ -10,7 +10,9 @@
 #     [ ] Code blocks
 #     [x] Horizontal rules
 # [ ] Span elements
-#     [ ] Links
+#     [.] Links
+#         [x] Inline
+#         [ ] Reference
 #     [x] Emphasis
 #     [ ] Code
 #     [ ] Images
@@ -174,29 +176,17 @@ blankline {
 }
 
 # Emphasis
-/__.+__/ {
-	while (match($0, /__/)) {
-		sub(/__/, "<strong>")
-		sub(/__/, "</strong>")
+function surround(brace, opening, closing) {
+	while ($0 ~ brace ".*" brace) {
+		sub(brace, opening)
+		sub(brace, closing)
 	}
 }
-/\*\*.+\*\*/ {
-	while (match($0, /\*\*/)) {
-		sub(/\*\*/, "<strong>")
-		sub(/\*\*/, "</strong>")
-	}
-}
-/_[^_].+_/ {
-	while (match($0, /_/)) {
-		sub(/_/, "<em>")
-		sub(/_/, "</em>")
-	}
-}
-/\*[^_].+\*/ {
-	while (match($0, /\*/)) {
-		sub(/\*/, "<em>")
-		sub(/\*/, "</em>")
-	}
+{
+	surround("__", "<strong>", "</strong>")
+	surround("_",  "<em>", "</em>")
+	surround("\\*\\*", "<strong>", "</strong>")
+	surround("\\*",  "<em>", "</em>")
 }
 
 { print }