add paragraph merging

uml.py

@@ -129,6 +129,7 @@ def renderer(chain):
 chain = []
 flags = {
     "TABLE_PREV": False,
+    "PARA_PREV": False,
 }
 def main():
     for i in finput():
@@ -138,7 +139,16 @@ def main():
         if len(i) == 0: continue
 
         # lines with text
-        if i[0].isalpha(): chain.append(Element("p", i))
+        if i[0].isalpha():
+            if not flags["PARA_PREV"]:
+                flags["PARA_PREV"] = True
+                chain.append(Element("p", i))
+            else:
+                if not chain[-1].data[-1] == " ":
+                    chain[-1].data += " " + i
+                else:
+                    chain[-1].data += i
+            continue
 
         # we have a processing command
         if not i[0].isalpha():
@@ -171,8 +181,8 @@ def main():
                     flags["TABLE_PREV"] = True
                     continue
             flags["TABLE_PREV"] = False
+            flags["PARA_PREV"] = False
             continue
-#    printchain(chain)
     renderer(chain)
 
 if __name__ == "__main__": main()