Merge the Lemon enhancement from trunk, resulting in smaller parser tables.

FossilOrigin-Name: 641f41722c68f1d51251b10d4d3d7c473d08ee999f6db20023ef6dcd4dc5f6e8

diff --cc manifest
index 83c2b83c523114dae9ecabe5a35cb2356710e327,cab23c4e3b074f172d2fea77609f94a8e824840e..ec656f2efaa4b5660471b04acb4d2730927540f1
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,10 -1,10 +1,10 @@@
- C Remove\sthe\sMySQL\supsert\ssyntax.\s\s\sAs\san\soptional\salias\sto\sthe\sinsert\stable\nname\sin\sorder\sto\sfinish\sout\sPostgreSQL\supsert\ssyntax\semulation.
- D 2018-04-16T13:26:53.730
 -C Lemon\senhancements:\s\s(1)\sDo\snot\sallocate\sspace\sfor\sthe\s'error'\snon-terminal\nif\sit\sis\snot\sused.\s(2)\sFix\san\soff-by-one\sproblem\sso\sthat\s'unsigned\schar'\scan\nbe\sused\sfor\ssymbol\snumbers\sif\sthe\snumber\sof\ssymbols\sis\s256.
 -D 2018-04-16T14:31:34.763
++C Merge\sthe\sLemon\senhancement\sfrom\strunk,\sresulting\sin\ssmaller\sparser\stables.
++D 2018-04-16T14:36:34.684
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 -F Makefile.in 7016fc56c6b9bfe5daac4f34be8be38d8c0b5fab79ccbfb764d3b23bf1c6fff3
 +F Makefile.in 5ce9343cba9c189046f1afe6d2bcc1f68079439febc05267b98aec6ecc752439
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 -F Makefile.msc 43dd6ae2e5a2bb8df7bfc9ed85935129caffeafb8c1803d24c5d038b1e74c8ca
 +F Makefile.msc 59179295f6a9b433e3f59a6dc2fcf6db6fcac35d92015294beb5d27f2924ebb9
  F README.md 7764d56778d567913ef11c82da9ab94aefa0826f7c243351e4e2d7adaef6f373
  F VERSION b7c9d1d11cb70ef8e90cfcf3c944aa58a9f801cc2ad487eebb0a110c16dfc2df
  F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
@@@ -1719,7 -1717,7 +1719,7 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
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++P 810d9f63be46c1452718b05e51c519fb64e9fabf2f1813b5e07b1041dbb71880 3b7801acff91905d0e78e06121ebcf2664f6de5f605699dc8726ec9bcb558eb8
++R 8378bae31105ea55776764904c4e0579
  U drh
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++Z 93044c8cf04465dc31bbf55ccd133682

diff --cc manifest.uuid
index 57bd2f4fd9231029ffe70ad656f21ea56578f81c,68e356fdbcf71c8917dd741ea856c45fb87eaaa0..2ebae7a3160339594b03171bd4bf84dfa3af671e
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 810d9f63be46c1452718b05e51c519fb64e9fabf2f1813b5e07b1041dbb71880
 -3b7801acff91905d0e78e06121ebcf2664f6de5f605699dc8726ec9bcb558eb8
++641f41722c68f1d51251b10d4d3d7c473d08ee999f6db20023ef6dcd4dc5f6e8