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style: use b4_token_visible_if

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And other formatting/comment changes.

* data/variant.hh: Here.
This commit is contained in:
Akim Demaille
2018-12-19 06:52:13 +01:00
parent b04492cc5f
commit 6e9f9fcafc
3 changed files with 16 additions and 12 deletions
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4
data/bison.m4
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@@ -263,8 +263,8 @@ m4_define([b4_subtract],
# -------------------
# Join with comma, skipping empty arguments.
# b4_join calls itself recursively until it sees the first non-empty
# argument, then calls _b4_join which prepends each non-empty argument
# with a comma.
# argument, then calls _b4_join (i.e., `_$0`) which prepends each
# non-empty argument with a comma.
m4_define([b4_join],
[m4_if([$#$1],
[1], [],