--- a/curlyq	Mon Dec 30 08:16:24 2019 -0800
+++ b/curlyq	Wed Jan 15 09:06:55 2020 -0800
@@ -25,6 +25,11 @@
     CODECS_TO_NAME[codecs.lookup(i)] = i
 del i
 
+# For feet/inches/min/sec
+BACKT = "`"
+FTMIN = "'"
+INSEC = '"'
+
 # C l a s s e s
 
 class SafeWorkspace(Workspace):
@@ -46,6 +51,7 @@
         if line == "" or line == "\n":
             if args.force: uncurl(ws)
             curler.feed()
+            if args.backtick: fims(ws)
             output_fp.write(str(ws))
             ws.clear()
         if line == "":
@@ -62,6 +68,7 @@
         ws.append(line)
         if args.force: uncurl(ws)
         curler.feed()
+        if args.backtick: fims(ws)
         output_fp.write(str(ws))
         ws.clear()
 
@@ -79,12 +86,25 @@
     uncurl(ws)
     output_fp.write(str(ws))
 
+def fims(buf):
+    pos = 0
+    while True:
+        pos = buf.find(BACKT)
+        if pos < 0:
+            break
+        if buf[pos+1] == BACKT:
+            buf[pos:pos+2] = INSEC
+        else:
+            buf[pos] = FTMIN
+        pos += 1
+
 # M a i n   P r o g r a m
 
 # Parse arguments
 parser = argparse.ArgumentParser(
     description='Make straight quotes curly.', prog=MYNAME)
 group = parser.add_mutually_exclusive_group()
+parser.add_argument("--backtick", action="store_true", help="Use backticks on input for ft/in/min/sec.")
 group.add_argument("--flowed", action="store_true", help="Input is flowed text.")
 group.add_argument("--html", action="store_true", help="Input is HTML.")
 group.add_argument("--uncurl", action="store_true", help="Uncurl quotes instead of curling them.")
@@ -99,6 +119,11 @@
 except SystemExit:
     sys.exit(2)
 
+# Sanity check
+if args.html and args.backtick:
+    sys.stderr.write(MYNAME + ": --backtick not supported in --html mode\n")
+    sys.exit(2)
+
 # Sanity-check codings
 try:
     codec = codecs.lookup(args.icoding)