rename position tracking variables

1 files changed, 19 insertions, 15 deletions

diff --git a/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua b/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
index 53f64d7..06b3c7f 100644
--- a/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
+++ b/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
@@ -148,10 +148,14 @@ end
 function Statements (blocks)
 
   -- positions of enclosure markers
-  local bracket_begin, bracket_end, brace_begin, brace_end
+  local pos_bracket_begin, pos_brace_begin, pos_brace_end
+
+  -- positions of beginning of enclosed content
+  -- usable as flags, since it is always preceded by a marker
+  local pos_bracketed, pos_braced
 
   -- maintain states across inlines
-  local bracketed, braced, has_hints
+  local has_hints
 
   local new_inlines = {}
 
@@ -164,20 +168,20 @@ function Statements (blocks)
     end
 
     -- unenclosed
-    if not (bracketed or braced) then
-      _, bracket_begin = string.find(el.text, "%[")
-      if bracket_begin then
-        bracketed = true
+    if not (pos_bracketed or pos_braced) then
+      _, pos_bracket_begin = string.find(el.text, "%[")
+      if pos_bracket_begin then
+        pos_bracketed = pos_bracket_begin + 1
       end
     end
 
     -- enters a bracket enclosure
     -- TODO: maybe support nested bracket enclosure
-    if bracketed and not braced then
-      _, bracket_end, s = string.find(el.text, "^([^%[%]}]*)%]{",
-        bracket_begin)
-      if bracket_end then
-        braced = true
+    if pos_bracketed and not pos_braced then
+      _, pos_brace_begin, s = string.find(el.text, "^([^%[%]}]*)%]{",
+        pos_bracketed)
+      if pos_brace_begin then
+        pos_braced = pos_brace_begin + 1
         table.insert(new_inlines, pandoc.Str(s))
       end
     end
@@ -187,10 +191,10 @@ function Statements (blocks)
     -- completes a brace enclosure
     -- TODO: support mixed-use enclosure
     -- TODO: cover curie_prefix and curie_local and curie_default
-    if braced then
-      _, brace_end = string.find(el.text, "^"..curie_long.."}",
-        bracket_end)
-      if brace_end then
+    if pos_braced then
+      _, pos_brace_end = string.find(el.text, "^"..curie_long.."}",
+        pos_braced)
+      if pos_brace_end then
         has_hints = true
         -- TODO: call same function with remains of Str
       end