genltl: fix %F for --r-left and --r-right

Fixes #247.

* bin/genltl.cc: Here.
* tests/core/genltl.test: Make sure %F always return a correct pattern
name..
* NEWS: Mention the bug.

NEWS

@@ -23,6 +23,9 @@ New in spot 2.3.2.dev (not yet released)
   - In "lenient" mode the parser would fail to recover from
     a missing closing brace.
 
+  - The output of 'genltl --r-left=1 --r-right=1 --format=%F'
+    had typos.
+
   Backward-incompatible changes:
 
   - spot::acc_cond::mark_t::operator bool() has been marked as

bin/genltl.cc

@@ -250,8 +250,8 @@ const char* const class_name[LAST_CLASS - FIRST_CLASS] =
     "or-g",
     "or-gf",
     "p-patterns",
-    "or-r-left",
-    "or-r-right",
+    "r-left",
+    "r-right",
     "rv-counter",
     "rv-counter-carry",
     "rv-counter-carry-linear",

tests/core/genltl.test

@@ -21,6 +21,14 @@
 . ./defs
 set -e
 
+# Make sure the name of each pattern is correctly output by %F.
+opts=`genltl --help | sed -n '/=RANGE/{
+s/^ *//
+s/[=[].*/=1/p
+}'`
+res=`genltl $opts --format="--%F=%L"`
+test "$opts" = "$res"
+
 run 0 genltl --dac=1..5 --eh=1..5 --pos --neg --format="%F:%L %f" >output
 cat >expected <<EOF
 dac-patterns:1 G!p0