Change:
https://user-
Related ,
happening bc the first line's marker isn't disposed of (and thus the decoration isn't either) !
so maybe we should have some API on xterm like so that can be handled specially?
oh here's the issue that solved but looks like that actually wasn't solved anyway
Just to confirm, to verify this issue, are you typing commands followed by the clear command in between? Or are you clearing the terminal another way?
Typing and clearing
Pretty sure this is the command, not run in the terminal

Discussion:
"vscode-proxy-agent": "^0.12.0", "vscode-regexpp": "^3.1.0", "vscode-textmate": "7.0.1", <del> "xterm": "4.19.0-beta.60", "xterm-addon-search": "0.9.0-beta.39", "xterm-addon-serialize": "0.7.0-beta.13", </del> <ins> "xterm": "4.19.0-beta.67", "xterm-addon-search": "0.9.0-beta.41", "xterm-addon-serialize": "0.7.0-beta.15", </ins> "xterm-addon-unicode11": "0.4.0-beta.3", <del> "xterm-addon-webgl": "0.12.0-beta.41", "xterm-headless": "4.19.0-beta.60", </del> <ins> "xterm-addon-webgl": "0.12.0-beta.43", "xterm-headless": "4.19.0-beta.67", </ins> "yauzl": "^2.9.2", "yazl": "^2.4.3" },

"tas-client-umd": "0.1.6", "vscode-oniguruma": "1.6.1", "vscode-textmate": "7.0.1", <del> "xterm": "4.19.0-beta.60", "xterm-addon-search": "0.9.0-beta.39", </del> <ins> "xterm": "4.19.0-beta.67", "xterm-addon-search": "0.9.0-beta.41", </ins> "xterm-addon-unicode11": "0.4.0-beta.3", <del> "xterm-addon-webgl": "0.12.0-beta.41" </del> <ins> "xterm-addon-webgl": "0.12.0-beta.43" </ins> } }

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resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f" integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8= <del> xterm-addon-search@0.9.0-beta.39: version "0.9.0-beta.39" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.39.tgz#e8376e1485ee7d763c07d1a8f1354114f65b3e3e" integrity sha512-h45wkecgfqXXoAUqgNytAfSd6g0xNT6rZy/enVaEU0aes7QoL9pxHUKkCry8PP6hs03Slk0VxQ4AGsbSZGvK/w== </del> <ins> xterm-addon-search@0.9.0-beta.41: version "0.9.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.41.tgz#0992da36fe01ff6d71449265a9dabeef7f9d0a3f" integrity sha512-b1vuWR5JZ8QIiObbKkwSzpzf4x0B9hdzGCHJG+PXWT/xbxk65DOe/X9rgrRyOnCWe5ylQGG4DIHTiREigTp0lg== </ins> <del> xterm-addon-serialize@0.7.0-beta.13: version "0.7.0-beta.13" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.13.tgz#5c859c8657cab7f28405aab1a0715daf54bc7714" integrity sha512-TYFlm/gds0pOmpzXw7ZWx8Cy48lMaOZZqZgfm5pWU37HPvzfKxXSVdYL1biWpRCH2zCH+3cWmOma8W1pBRr+Eg== </del> <ins> xterm-addon-serialize@0.7.0-beta.15: version "0.7.0-beta.15" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.15.tgz#0f7d5f9b423802ac67c2a891d74de530a4fe6a65" integrity sha512-gO/dxqGgOAuj7DN2ETTeCHyalkb655XogZh5408CmH5D6mjI1lxqVLGUdiFeBVU/OHfWZT2PZ95k06VXqLU5kA== </ins> xterm-addon-unicode11@0.4.0-beta.3: version "0.4.0-beta.3" resolved "https://registry.yarnpkg.com/xterm-addon-unicode11/-/xterm-addon-unicode11-0.4.0-beta.3.tgz#f350184155fafd5ad0d6fbf31d13e6ca7dea1efa" integrity sha512-FryZAVwbUjKTmwXnm1trch/2XO60F5JsDvOkZhzobV1hm10sFLVuZpFyHXiUx7TFeeFsvNP+S77LAtWoeT5z+Q== <del> xterm-addon-webgl@0.12.0-beta.41: version "0.12.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.41.tgz#17dbca975b6e9b34526ebc57f4de59ee295da1b6" integrity sha512-wvQxC5diMYEJEMaILfz+4CWB2GgtzjzNQRNDnK7R7Y9wDI+P4idDlQKgyH0nA93sl9R4zgqlBVha//wuq4vfZg== </del> <ins> xterm-addon-webgl@0.12.0-beta.43: version "0.12.0-beta.43" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.43.tgz#916ed4e390371403aab0d277097cd8a61be436e8" integrity sha512-hGXfwT6TOmp0tBDiS/iF8s0SLHLd3shJ5zQyS4HNtq99B5cEhHhwaUAZAfjLt5rnUt0kvqR9YWtGsDux5dWVLA== </ins> <del> xterm-headless@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.60.tgz#ccd09a7c69ba487d3fd87d6a8d159f1a6a10e9b2" integrity sha512-mJ24BRnEDCASJDTGFZysZxiXkCmed3eMFiWCPvIF48LVrqxt1cImoVKBlxqkdgUkHKjfF2c92S1TTBL5aT1I0w== </del> <ins> xterm-headless@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.67.tgz#fe44a243974bf307c9a0694114ab45289734c7f9" integrity sha512-rpxUsE/te2LN4B/erI108uaAhuLTUsnRl9zIZgcqMqZGFRqDUTtyVM05jIA/8A32g06wFd3WioTkeKc6ow+sLg== </ins> <del> xterm@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.60.tgz#de89d93153ae3ec17b53f3e5d03b8ea859126081" integrity sha512-YQjvp4xtSAyNm9+gF4OA5+QzkSWdKMCy4WABETpe7CsrEGx+mJVoXCZ9wgopmvwRXz7DeJvKM5dWz1HPjVLDtA== </del> <ins> xterm@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.67.tgz#9a7d79be64469c91bb693b9f5a50b5a22e921cd3" integrity sha512-4bYTnT6g91N5QId1qPaiSvkpsxMQYpuPdPJItvBZFOcQLTuFSX85x5NeFuDvhNqi33eMFPimyGhzH/JvAV1v/Q== </ins> yallist@^4.0.0: version "4.0.0"

dependencies: object-keys "~0.4.0" <del> xterm-addon-search@0.9.0-beta.39: version "0.9.0-beta.39" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.39.tgz#e8376e1485ee7d763c07d1a8f1354114f65b3e3e" integrity sha512-h45wkecgfqXXoAUqgNytAfSd6g0xNT6rZy/enVaEU0aes7QoL9pxHUKkCry8PP6hs03Slk0VxQ4AGsbSZGvK/w== </del> <ins> xterm-addon-search@0.9.0-beta.41: version "0.9.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-search/-/xterm-addon-search-0.9.0-beta.41.tgz#0992da36fe01ff6d71449265a9dabeef7f9d0a3f" integrity sha512-b1vuWR5JZ8QIiObbKkwSzpzf4x0B9hdzGCHJG+PXWT/xbxk65DOe/X9rgrRyOnCWe5ylQGG4DIHTiREigTp0lg== </ins> <del> xterm-addon-serialize@0.7.0-beta.13: version "0.7.0-beta.13" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.13.tgz#5c859c8657cab7f28405aab1a0715daf54bc7714" integrity sha512-TYFlm/gds0pOmpzXw7ZWx8Cy48lMaOZZqZgfm5pWU37HPvzfKxXSVdYL1biWpRCH2zCH+3cWmOma8W1pBRr+Eg== </del> <ins> xterm-addon-serialize@0.7.0-beta.15: version "0.7.0-beta.15" resolved "https://registry.yarnpkg.com/xterm-addon-serialize/-/xterm-addon-serialize-0.7.0-beta.15.tgz#0f7d5f9b423802ac67c2a891d74de530a4fe6a65" integrity sha512-gO/dxqGgOAuj7DN2ETTeCHyalkb655XogZh5408CmH5D6mjI1lxqVLGUdiFeBVU/OHfWZT2PZ95k06VXqLU5kA== </ins> xterm-addon-unicode11@0.4.0-beta.3: version "0.4.0-beta.3" resolved "https://registry.yarnpkg.com/xterm-addon-unicode11/-/xterm-addon-unicode11-0.4.0-beta.3.tgz#f350184155fafd5ad0d6fbf31d13e6ca7dea1efa" integrity sha512-FryZAVwbUjKTmwXnm1trch/2XO60F5JsDvOkZhzobV1hm10sFLVuZpFyHXiUx7TFeeFsvNP+S77LAtWoeT5z+Q== <del> xterm-addon-webgl@0.12.0-beta.41: version "0.12.0-beta.41" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.41.tgz#17dbca975b6e9b34526ebc57f4de59ee295da1b6" integrity sha512-wvQxC5diMYEJEMaILfz+4CWB2GgtzjzNQRNDnK7R7Y9wDI+P4idDlQKgyH0nA93sl9R4zgqlBVha//wuq4vfZg== </del> <ins> xterm-addon-webgl@0.12.0-beta.43: version "0.12.0-beta.43" resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.12.0-beta.43.tgz#916ed4e390371403aab0d277097cd8a61be436e8" integrity sha512-hGXfwT6TOmp0tBDiS/iF8s0SLHLd3shJ5zQyS4HNtq99B5cEhHhwaUAZAfjLt5rnUt0kvqR9YWtGsDux5dWVLA== </ins> <del> xterm-headless@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.60.tgz#ccd09a7c69ba487d3fd87d6a8d159f1a6a10e9b2" integrity sha512-mJ24BRnEDCASJDTGFZysZxiXkCmed3eMFiWCPvIF48LVrqxt1cImoVKBlxqkdgUkHKjfF2c92S1TTBL5aT1I0w== </del> <ins> xterm-headless@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm-headless/-/xterm-headless-4.19.0-beta.67.tgz#fe44a243974bf307c9a0694114ab45289734c7f9" integrity sha512-rpxUsE/te2LN4B/erI108uaAhuLTUsnRl9zIZgcqMqZGFRqDUTtyVM05jIA/8A32g06wFd3WioTkeKc6ow+sLg== </ins> <del> xterm@4.19.0-beta.60: version "4.19.0-beta.60" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.60.tgz#de89d93153ae3ec17b53f3e5d03b8ea859126081" integrity sha512-YQjvp4xtSAyNm9+gF4OA5+QzkSWdKMCy4WABETpe7CsrEGx+mJVoXCZ9wgopmvwRXz7DeJvKM5dWz1HPjVLDtA== </del> <ins> xterm@4.19.0-beta.67: version "4.19.0-beta.67" resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.19.0-beta.67.tgz#9a7d79be64469c91bb693b9f5a50b5a22e921cd3" integrity sha512-4bYTnT6g91N5QId1qPaiSvkpsxMQYpuPdPJItvBZFOcQLTuFSX85x5NeFuDvhNqi33eMFPimyGhzH/JvAV1v/Q== </ins> y18n@^3.2.1: version "3.2.2"