Typographic fixes, spacing after \opt #522
Merged
+123
−123
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occurrences of "\opt \terminal{" apparently always require "\opt{}" to not eat
the intervening space (despite the \xspace in the definition of \opt)
cleaned up two occurrences of "\opt\ " (in
noptr-abstract-pack-declarator \terminal{[} constant-expression\opt\ \terminal{]} attribute-specifier-seq\opt\br
in declarators.tex and grammar.tex) to consistenly use "\opt{}" instead
cleaned up two occurrences of "\opt{}" (in
pp-tokens\opt{} new-line
in grammar.tex and preprocessor.tex) that did not need the "{}"