Improve Lua support in etags

* lib-src/etags.c (Lua_functions): Skip spaces before looking for
"function".

* etc/NEWS: Mention improved Lua support by 'etags'.

* test/etags/lua-src/test.lua (test): Add tests for indented
function definitions.
* test/etags/ETAGS.good_1:
* test/etags/ETAGS.good_2:
* test/etags/ETAGS.good_3:
* test/etags/ETAGS.good_4:
* test/etags/ETAGS.good_5:
* test/etags/ETAGS.good_6:
* test/etags/CTAGS.good: Adapt to the modified Lua tests.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib-src/etags.c b/lib-src/etags.c
index cd49f7199ba..3cb39689b8d 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -4985,6 +4985,7 @@ Lua_functions (FILE *inf)
 
   LOOP_ON_INPUT_LINES (inf, lb, bp)
     {
+      bp = skip_spaces (bp);
       if (bp[0] != 'f' && bp[0] != 'l')
         continue;