On 18.06.15 10:23, Alan Mackenzie wrote: > The parentheses are literal characters, but what do all the ?s > mean?
In the manual, section: "30.2. Conditionals" Just searching the manual for "$?" gets there quite quickly, without any knowledge of its existence. Erik -- Looking into the UN's crystal ball predicts that population will continue to grow and then plateau around 10 billion by 2100. This is the middle estimate. The lower estimate suggests a peak of about 8 billion around 2050. The high estimate is for a staggering 16 billion by 2100 and still climbing! - http://www.abc.net.au/radionational/programs/ockhamsrazor/preparing-for-population-growth/4980342#transcript
