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d86448fe5f
Ensure that we correctly skip the entirety of a macro or function
reference when searching for the "," separator in an ifeq/ifneq
conditional, including using "$," and also "${foo,bar}". Note that
this change means that parenthesis OTHER than those used for variable
expansion are not considered special, any longer.
* NEWS: Announce the change.
* src/read.c (conditional_line): Skip variable references when looking
for "," and ensure that we match closing parens/braces properly.
* tests/scripts/features/conditionals: Add tests for this behavior.