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syntaxes: undouble the backslash within bracket expressions

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Within a bracket expression, the backslash is not special,
so it does not need to be escaped.

The double backslashes within brackets were found with:

  grep -o  '\[[^][]*\\\\[^][]*\]'  syntax{,/extra}/*rc

Also, incorporate the square brackets into some bracket expressions
by listing the closing bracket first, saving a separate regex for
those two brackets.
This commit is contained in:
Benno Schulenberg 2021-10-18 12:04:31 +02:00
parent 483538f8f3
commit 0dbe857ba2
5 changed files with 5 additions and 5 deletions
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2
syntax/c.nanorc
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@ -33,7 +33,7 @@ color cyan "__attribute__[[:blank:]]*\(\([^)]*\)\)" "__(aligned|asm|builtin|hidd
color brightyellow ""([^"]|\\")*"" "#[[:blank:]]*include[[:blank:]]*<[^>]+>" color brightyellow ""([^"]|\\")*"" "#[[:blank:]]*include[[:blank:]]*<[^>]+>"
# Preprocessor directives. # Preprocessor directives.
color brightcyan start="^[[:blank:]]*#[[:blank:]]*(if(n?def)?|elif|warning|error|pragma)\>" end="(\`|[^\\])$" color brightcyan start="^[[:blank:]]*#[[:blank:]]*(if(n?def)?|elif|warning|error|pragma)\>" end="(\`|[^\])$"
color brightcyan "^[[:blank:]]*#[[:blank:]]*((define|else|endif|include(_next)?|line|undef)\>|$)" color brightcyan "^[[:blank:]]*#[[:blank:]]*((define|else|endif|include(_next)?|line|undef)\>|$)"
# Comments. # Comments.

2
syntax/extra/gentoo.nanorc
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@ -11,7 +11,7 @@ color brightgreen "\<default(_pkg_nofetch|_src_(unpack|prepare|configure|compile
## Bash-related syntax: ## Bash-related syntax:
color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>" color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>"
color green "\<(declare|eval|exec|export|let|local)\>" color green "\<(declare|eval|exec|export|let|local)\>"
color green "[{}():;|`$<>!=&\\]" "(\]|\[)" color green "[][{}():;|`$<>!=&\]"
color green "-[defhnrsuwxzL]\>" color green "-[defhnrsuwxzL]\>"
color green "-(eq|ne|gt|lt|ge|le)\>" color green "-(eq|ne|gt|lt|ge|le)\>"
## Variables... official portage ones in red, all others in bright red: ## Variables... official portage ones in red, all others in bright red:

2
syntax/nftables.nanorc
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@ -27,7 +27,7 @@ color ,green "[[:space:]]+$"
# Strings and others # Strings and others
color yellow ""(\\.|[^"])*"" "'(\\.|[^'])*'" color yellow ""(\\.|[^"])*"" "'(\\.|[^'])*'"
color green "[{}():;|`$<>!=&\\]" "(\]|\[)" color green "[][{}():;|`$<>!=&\]"
# Basic variable names # Basic variable names
color brightred "(\$|@)[[:alpha:]_-][[:alnum:]_.-]*" color brightred "(\$|@)[[:alpha:]_-][[:alnum:]_.-]*"

2
syntax/objc.nanorc
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@ -24,7 +24,7 @@ color magenta "[[:alnum:]]*:"
color white "\[[^][:blank:]]*\]" color white "\[[^][:blank:]]*\]"
# Strings. # Strings.
color brightblack "'([^'\]|(\\["'abfnrtv\\]))'" "'\\(([0-3]?[0-7]{1,2}))'" "'\\x[0-9A-Fa-f]{1,2}'" color brightblack "'([^'\]|(\\["'abfnrtv\]))'" "'\\(([0-3]?[0-7]{1,2}))'" "'\\x[0-9A-Fa-f]{1,2}'"
color brightblack "<[^= ]*>" ""(\\.|[^"])*"" color brightblack "<[^= ]*>" ""(\\.|[^"])*""
color brightblue "@"(\\.|[^"])*"" color brightblue "@"(\\.|[^"])*""

2
syntax/sh.nanorc
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@ -14,7 +14,7 @@ color brightgreen "^[A-Za-z0-9_-]+\(\)"
# Keywords, symbols, and comparisons. # Keywords, symbols, and comparisons.
color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>" color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>"
color green "\<(declare|eval|exec|export|let|local)\>" color green "\<(declare|eval|exec|export|let|local)\>"
color green "[{}():;|`$<>!=&\\]" "(\]|\[)" color green "[][{}():;|`$<>!=&\]"
color green "-(eq|ne|gt|lt|ge|le|ef|ot|nt)\>" color green "-(eq|ne|gt|lt|ge|le|ef|ot|nt)\>"
# Short and long options. # Short and long options.