4.3.2 -- Fix issue where . command fails after +

For example, this would fail:

        $ echo '{}' |jt foo + .
        jt: unexpected command

Author: micha

Makefile

@@ -16,7 +16,7 @@ all: jt docs
 clean:
 	rm -f jt *.o *.a *.out
 	rm -rf build
-	rm test/enron.json
+	rm -f test/enron.json
 
 %.o: %.c
 	$(CC) -c $(CFLAGS) -DJT_SHA=\"$(SHA)\" $< -o $@

jt.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "JT" "1" "June 2017" "" "JT MANUAL"
+.TH "JT" "1" "July 2017" "" "JT MANUAL"
 .
 .SH "NAME"
 \fBjt\fR \- transform JSON data to tabular format

jt.1.html

@@ -11,7 +11,7 @@
 #define JT_STACKSIZE 256
 #endif
 
-#define JT_VERSION "4.3.1"
+#define JT_VERSION "4.3.2"
 
 int opt_join = 0;
 int opt_iter = 0;
@@ -67,6 +67,11 @@ int run(int wordc, word_t *wordv) {
     return cols;
   } else {
     switch (wordv[0].cmd) {
+      case '.':
+        // can only get here if top of stack is null
+        if (opt_join) return -JT_STACKSIZE;
+        stack_push(DAT, 0);
+        break;
       case '^':
         cols = 1;
         stack_push(OUT, stack_head(IDX));