print u"\u001b[34;1m E \u001b[35;1m F \u001b[36;1m G \u001b[37;1m H \u001b[0m"
for rebase, the e is for “elsewhere” (i.e. not on top of the upstream), and
。关于这个话题，新收录的资料提供了深入分析
interaction, evaluation commands, and a poor man's SLIME/SLY setup
while (stack.length && stack[stack.length - 1] cur && k 0) {