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author | Lewis Russell <lewis6991@gmail.com> | 2023-02-01 17:21:42 +0000 |
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committer | GitHub <noreply@github.com> | 2023-02-01 17:21:42 +0000 |
commit | 9ce44a750c2a65082962effe6ce4d185b7698d73 (patch) | |
tree | 3fb2dff57e50748829759f4d6adb42bf60830ae7 /runtime/lua/man.lua | |
parent | 4cc0d6b854b44c0b8466e0a84bbc9e350cda8c4f (diff) | |
download | rneovim-9ce44a750c2a65082962effe6ce4d185b7698d73.tar.gz rneovim-9ce44a750c2a65082962effe6ce4d185b7698d73.tar.bz2 rneovim-9ce44a750c2a65082962effe6ce4d185b7698d73.zip |
fix(man): use italics for `<bs>_` (#22086)
fix(man): use italics for <bs>_
Even though underline is strictly what this should be. <bs>_ was used by
nroff to indicate italics which wasn't possible on old typewriters so
underline was used. Modern terminals now support italics so lets use
that now.
See:
- https://unix.stackexchange.com/questions/274658/purpose-of-ascii-text-with-overstriking-file-format/274795#274795
- https://cmd.inp.nsk.su/old/cmd2/manuals/unix/UNIX_Unleashed/ch08.htm
Diffstat (limited to 'runtime/lua/man.lua')
-rw-r--r-- | runtime/lua/man.lua | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/runtime/lua/man.lua b/runtime/lua/man.lua index 732a4ab92e..0956022ac6 100644 --- a/runtime/lua/man.lua +++ b/runtime/lua/man.lua @@ -149,15 +149,21 @@ local function highlight_line(line, linenr) if overstrike then local last_hl = hls[#hls] if char == prev_char then - if char == '_' and attr == UNDERLINE and last_hl and last_hl.final == byte then - -- This underscore is in the middle of an underlined word - attr = UNDERLINE + if char == '_' and attr == ITALIC and last_hl and last_hl.final == byte then + -- This underscore is in the middle of an italic word + attr = ITALIC else attr = BOLD end elseif prev_char == '_' then - -- char is underlined - attr = UNDERLINE + -- Even though underline is strictly what this should be. <bs>_ was used by nroff to + -- indicate italics which wasn't possible on old typewriters so underline was used. Modern + -- terminals now support italics so lets use that now. + -- See: + -- - https://unix.stackexchange.com/questions/274658/purpose-of-ascii-text-with-overstriking-file-format/274795#274795 + -- - https://cmd.inp.nsk.su/old/cmd2/manuals/unix/UNIX_Unleashed/ch08.htm + -- attr = UNDERLINE + attr = ITALIC elseif prev_char == '+' and char == 'o' then -- bullet (overstrike text '+^Ho') attr = BOLD |