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Updated <em> tag logic using _ #3

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Updated <em> tag logic using _ #3

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19 changes: 19 additions & 0 deletions markdown-tests.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -4392,6 +4392,25 @@ This is [an example] [id] reference-style link.
<p><a href="kbs/wes-box-134.md.lp">Wesel - Boxtel [KBS 134]</a></p>
]==]

tests.sven = [[
TASK_CARGO_DISPATCHER
~
<p>TASK_CARGO_DISPATCHER</p>
~
TASK _CARGO_ DISPATCHER
~
<p>TASK<em>CARGO</em>DISPATCHER</p>
~
TASK_CARGO_ DISPATCHER
~
<p>TASK_CARGO_ DISPATCHER</p>
~
TASK*CARGO*DISPATCHER
~
<p>TASK<em>CARGO</em>DISPATCHER</p>
]]


-- Unhandled test: _M*A*S*H_

local quiet_mode
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16 changes: 13 additions & 3 deletions markdown.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -895,9 +895,19 @@ local function emphasis(text)
text = text:gsub(s .. "([^%s][%*%_]?)" .. s, "<strong>%1</strong>")
text = text:gsub(s .. "([^%s][^<>]-[^%s][%*%_]?)" .. s, "<strong>%1</strong>")
end
for _, s in ipairs {"%*", "%_"} do
text = text:gsub(s .. "([^%s_])" .. s, "<em>%1</em>")
text = text:gsub(s .. "(<strong>[^%s_]</strong>)" .. s, "<em>%1</em>")
for _, s in ipairs {"%_"} do
text = text:gsub("([^%w]+)" .. s .. "([^%s_])" .. s, "%1<em>%2</em> ")
text = text:gsub("([^%w]+)" .. s .. "(<strong>[^%s_]</strong>)" ..s, "%1<em>%2</em>")
text = text:gsub("([^%w]+)" .. s .. "([^%s_][^<>_]-[^%s_])" .. s, "%1<em>%2</em>")
text = text:gsub("([^%w]+)" .. s .. "([^<>_]-<strong>[^<>_]-</strong>[^<>_]-)" .. s, "%1<em>%2</em>")
text = text:gsub("^" .. s .. "([^%s_])" .. s, "<em>%1</em> ")
text = text:gsub("^" .. s .. "(<strong>[^%s_]</strong>)" ..s, "<em>%1</em>")
text = text:gsub("^" .. s .. "([^%s_][^<>_]-[^%s_])" .. s, "<em>%1</em>")
text = text:gsub("^" .. s .. "([^<>_]-<strong>[^<>_]-</strong>[^<>_]-)" .. s, "<em>%1</em>")
end
for _, s in ipairs {"%*"} do
text = text:gsub(s .. "([^%s_])" .. s, "<em>%1</em> ")
text = text:gsub(s .. "(<strong>[^%s_]</strong>)" ..s, "<em>%1</em>")
text = text:gsub(s .. "([^%s_][^<>_]-[^%s_])" .. s, "<em>%1</em>")
text = text:gsub(s .. "([^<>_]-<strong>[^<>_]-</strong>[^<>_]-)" .. s, "<em>%1</em>")
end
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