[gsac] Allow .runes in .exprs

Ignore-this: d131475a7f8d20ed7e4c04b977b6f30f

darcs-hash:20130526170329-2809a-e22e8361976d779a2bbd56dd7bd669d0bacb69d5
[gsac] Allow \\ as a rune literal

Ignore-this: 550fdfb4c06c285c342204792244f50d

darcs-hash:20130526201647-2809a-238cfdd4c9b6cb36691c9ea86ffeed34540e7acf
[gsac] Allow \s as a rune literal

Ignore-this: 82623b6461c6f5e64a9155baaac2f689

darcs-hash:20130526201937-2809a-778d357d3a3faf40e0d1fa8de40e22c110054d78
[gsac] Allow \h as a rune literal

Ignore-this: 4b01fced083e91bd654176fd07df0a7

darcs-hash:20130526202116-2809a-6f5096b7bbc4e053433f4d83ccea58bc95bfb003
[gsac] Allow non-escape rune literals

Ignore-this: 58b9e5d3291414a692ba94557e217b1b

darcs-hash:20130526202525-2809a-987bb769337ade832ba9a8fabd8e5d000611faca
[gsac] Allow .tydefinedprims

Ignore-this: e63247200d4fda4b126dc18a5e199584

darcs-hash:20130526213923-2809a-2347fa4d1c50bd1656e843428f16afb8faf0a17c
[gsac] Allow un-lifted kind 'u'

Ignore-this: 8e98cd2eba3e164ea1770832e20f0d27

darcs-hash:20130526225746-2809a-2fa99a87dc70b3b199f7167d720d4448ff87f42e
[gsac] Factor out parser for constructors within  .tysum or .tyubsum construct

Ignore-this: ceb75fb88d11dc5d4346c4014a3ff3a1

darcs-hash:20130527215014-821d0-208403c22e7def062d9b1be7b4b2681aa129e34b
[gsac] Allow .tyubsums in type expressions

Ignore-this: e57d81786e3494419e5c0b21dcd227d1

darcs-hash:20130527224234-2809a-ea2df1dd211edd8e30f50217d97e8de56d0159f8
[gsac] Drop dead code

Ignore-this: 4bc750928f4a977791adc731d0555b0a

darcs-hash:20130527230747-2809a-30ebbc89edffcc781c806848a8798ce39140642e