Thanks Alexander Sedov <alex0player@gmail.com> for finding this!

Thanks Mihail Zenkov <mihail.zenkov@gmail.com> for giving the hint!

Thanks Egmont Koblinger <egmont@gmail.com> for noticing this!

Thanks Jens Nyberg <jens.nyberg@gmail.com>!

Thanks Stephen Caraher <moskvax@gmail.com>!

This also applies some style fixes and handles some old blink codes.

Thanks Egmont Koblinger <egmont@gmail.com>!

Thanks Mihail Zenkov <mihail.zenkov@gmail.com>!

Keypad will generate keycodes when keypad application mode is enabled. It
can cause problems with some programs like vi, which operates in such
mode.

This patch change by default don't generate the keycodes never, but this
behaviour can be changed using the combination Alt + NumLock.
---
 config.def.h |   34 ++++++++++++++++++----------------
 st.c         |   17 +++++++++++++++--
 2 files changed, 33 insertions(+), 18 deletions(-)

a bit. Thanks nsz!

---
 st.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

---
 st.c |    4 ----
 1 file changed, 4 deletions(-)

remap other keys.

This patch apply the same code for shortcuts that it is used now for defined
keys. So it is possible use now XK_NO_MOD and XK_ANY_MOD for defining shortcuts.
---
 st.c |   35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

some minor style changes.