RUBY *ruby.vim* *ft-ruby-syntax*

There are a number of options to the Ruby syntax highlighting.

By default, the "end" keyword is colorized according to the opening statement

of the block it closes. While useful, this feature can be expensive; if you

experience slow redrawing (or you are on a terminal with poor color support)

you may want to turn it off by defining the "ruby_no_expensive" variable: >

In this case the same color will be used for all control keywords.

If you do want this feature enabled, but notice highlighting errors while

scrolling backwards, which are fixed when redrawing with CTRL-L, try setting

the "ruby_minlines" variable to a value larger than 50: >

Ideally, this value should be a number of lines large enough to embrace your

largest class or module.

Ruby operators can be highlighted. This is enabled by defining

"ruby_operators": >

Whitespace errors can be highlighted by defining "ruby_space_errors": >

This will highlight trailing whitespace and tabs preceded by a space character

as errors. This can be refined by defining "ruby_no_trail_space_error" and

"ruby_no_tab_space_error" which will ignore trailing whitespace and tabs after

spaces respectively.

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