ridiculousfish 767742c7e7 Rework how the mode is reported in fish_vi_mode ...

Add a new function fish_mode_prompt which (if it is defined) has its output
prepended to the left prompt. Rather than replacing the prompt wholesale, make
fish_vi_mode enable this function by setting a variable __fish_vi_mode. This
enables vi mode to interoperate nicely with custom prompts. Users who want
to change how the mode is reported can either redefine this function or
erase it entirely. Fixes #1988.

2015-06-14 11:36:11 -07:00

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