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ec20545b20
Per experimentation and buildfarm failures, Solaris' "sed" has got some kind of problem with regexes that use both '*' and '[[:alpha:]]'. We can work around that by replacing '[[:alpha:]]' with '[a-zA-Z]', which is plenty good enough for our purposes, especially since this is only needed in long-stable branches. I chose to flat-out remove the second pattern of this sort, 's/except \([a-zA-Z][a-zA-Z.]*\), *\([a-zA-Z][a-zA-Z]*\):/except \1 as \2:/g' because we haven't needed it since 8.4. Follow-on to c3556f6fa, which probably missed catching this because the problematic pattern was already gone when that patch was written. Patch v10-v12 only, as the problem manifests only there. We have a line of dead code in v13-v14, which isn't worth changing, and the whole mess is gone as of v15. Discussion: https://postgr.es/m/165561.1661984701@sss.pgh.pa.us