Adding an argument to a function is a really compelling case for syntactic diffs.
Line numbers remain super tricky: mapping overlapping positions spanning multiple lines back to lines isn't quite right yet.
miniblog.
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Today I learnt that gcc can mean 'Google Closure Compiler'. It's a sophisticated compiler, but I suppose its use cases are sufficiently non-overlapping with C compilers to avoid confusion. Surprised me though.
Many tiling WMs have quite a learning curve, but they are increasingly necessary on modern, large monitors. Overlapping windows are awkward.
I'm beginning to think it's impossible to create a window manager with overlapping at least a few useful Emacs shortcuts.