aliases). Also, variable names can now include '-'.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5478 c06c8d41-db1a-0410-9941-cceddc491573
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A4PH3WRSY3DELMUKZGJQM3RQXDBB6QZKM7VNBGACYHKAYKVEMPXAC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
#define IS_VAR_CHAR(c) (isalpha(c) || c == '_')
#define IS_VAR_CHAR(c) (isalpha(c) || c == '_' || c == '-')
if (x == aliases.end())
if (x == variables.end())