if cols_a != rows_b {
Smart Machines (Gordon Bell)，更多细节参见新收录的资料
The lack of metadata in Markdown also means that there is nowhere to store information about codeblocks that would be extracted from a literate document. Org Mode provides header arguments that can be applied to source code blocks, providing instruction to the machine about execution details like where the code should be executed, which might even be a remote machine.，更多细节参见新收录的资料
Advocacy group StopTheCams, which has long opposed automated traffic enforcement, called the ruling a major victory. In a press release, the group said the decision confirms what critics have argued for years — that red-light camera laws punish vehicle owners without requiring proof they committed the violation.
Reproducibility. The tree can resolve differently each time, so you need a lockfile to record what you got.