zshenv: fix comments

diff --git a/etc/zsh/.zshenv b/etc/zsh/.zshenv
index 8bf4cbe3b70da29f5fd8f0b84b00b8e1a7981894..922314ff2ae78dd12b54329104124fc81bf2d53c 100644 (file)
--- a/etc/zsh/.zshenv
+++ b/etc/zsh/.zshenv
@@ -54,7 +54,7 @@ function _sev_setpath {
     # add as many generic paths as possible to keep the order we want
     # NOTE: tied arrays path and fpath already exist, but are not unique (-U);
     #       we utilize the fact that unique arrays keep the first occurrence
-    #       and remove any further occurences to check for elements from the
+    #       and remove any further occurrences to check for elements from the
     #       old PATH that we did not anticipate and shift them to the front,
     #       since they are probably important to the system
     typeset -gU path fpath
@@ -65,6 +65,13 @@ function _sev_setpath {
     #       with something like Environment Modules. this code does not account
     #       for this type of usage and will add all valid paths. any undesired
     #       paths can be removed using .zshenv.local.
+    # NOTE: fun non-conformant systems like Android may have fun dirs that
+    #       contain binaries intended solely for the base system, and their use
+    #       by other users/subsystems may cause problems. for example,
+    #       /system/bin/bc on Android may be a different version of or
+    #       completely different codebase compared to the Termux-installed bc.
+    #       modern Termux does not add these such systems to PATH by default,
+    #       but older versions/configurations might.
     # XXX: PREFIX not validated, non-POSIX but Termux uses it, maybe others
     # XXX: XDG specifies ~/.local/bin as the only user-writable dir for
     #      executables, but we specify more; technically this is against spec
@@ -305,9 +312,9 @@ load-site-dotfile zshenv
 ### source .zprofile early for non-login shells that should be
 if [[ ! -v _sev_first_display && ( -v DISPLAY || -v WAYLAND_DISPLAY ) ]] {
     # most graphical login/session managers will spawn the user's shell as a
-    # parent of all child processes for that session. however, if the parent shell
-    # isn't a login shell for some reason, our .zprofile won't be run, and the
-    # environment won't be configured for child processes.
+    # parent of all child processes for that session. however, if the parent
+    # shell isn't a login shell for some reason, our .zprofile won't be run,
+    # and the environment won't be configured for child processes.
     #
     # XXX: .zprofile will be sourced by every new child shell if zsh is not
     #      used to start the graphical session and the _sev_first_display var