api: add support of escaped strings in function string_eval_expression and command /eval
core: fix output of /eval -n when there is a tab in output
doc: update auto-generated files with WeeChat commands
irc: evaluate content of server options "username" and "realname"
irc: fix colors in message with CTCP reply sent to another user
trigger: make optional the alignment on second and max calls (in hook timer)
trigger: fix typo in /help trigger
trigger: fix typo in /help trigger
trigger: do not create the trigger with /trigger add if the regex is invalid
trigger: allow chars '\' and '(' as delimiter in regex
doc: add trigger doc in user's guide
trigger: add variable "tg_notify" (notify level of a message, if different from "none")
core: fix memory leak in evaluation of sub-conditions
core: fix memory leak when removing a hdata
core: fix memory in execution of commands

This memory leak was introduced by commit aa81067ad070f05a4aaf98383781eba0fbafefd6
doc: add trigger example to colorize URLs
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